acid

See also: ACID, Acid, and àcid

English

Etymology

From French acide, from Latin acidus (“sour, acid”), from aceō (“I am sour”). Doublet of agita.

Pronunciation

• (Received Pronunciation, General American) enPR: ăs'ĭd, IPA^(key): /ˈæsɪd/

• Audio (General American):

  (file)

• Rhymes: -æsɪd

Adjective

acid (comparative acider, superlative acidest)

1. Sour, sharp, or biting to the taste; tart; having the taste of vinegar.

   acid fruits or liquors

2. (figuratively) Sour-tempered.
   • 1864, Anthony Trollope, The Small House at Allington, 2nd edition, volume 2, Smith, Elder & Co., page 235:

     His voice was as stern and his face as acid as ever.

   • 1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:

     It must be admitted that Challenger is provocative in the last degree, but Summerlee has an acid tongue, which makes matters worse.

   • 1914 November, Louis Joseph Vance, “An Outsider […]”, in Munsey’s Magazine, volume LIII, number II, New York, N.Y.: The Frank A[ndrew] Munsey Company, […], published 1915, →OCLC, chapter I (Anarchy), page 373, column 2:

     Little disappointed, then, she turned attention to "Chat of the Social World," gossip which exercised potent fascination upon the girl's intelligence. She devoured with more avidity than she had her food those pretentiously phrased chronicles of the snobocracy—[…]—distilling therefrom an acid envy that robbed her napoleon of all its flavor.

3. Of or pertaining to an acid; acidic.
   • 1975, Peter N. Barber, Cecil Ernest Lucas Phillips, The Trees Around Us, page 101:

     Like other nyssas, it is in nature a creature of swampy places and looks loveliest where massed close to water and reflected in it, but justifies itself elsewhere if the soil is moist and acid, succeeding in wet clay.

4. (music) Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as in acid house, acid jazz, acid rock.

Quotations

• For quotations using this term, see Citations:acid.

Synonyms

• acidic

Antonyms

• alkaline
• base

Derived terms

• 10-undecenoic acid
• 1,6-Cleves acid
• 1,6-Cleves acid
• 1,6-Cleves acid
• 1,7-Cleves acid
• 1,7-Cleves acid
• 1,7-Cleves acid
• 2-methyl-2-propenoic acid
• aberic acid
• abietic acid
• abscisic acid
• acacic acid
• acanthoic acid
• aceburic acid
• aceconitic acid
• aceneuramic acid
• acetacetic acid
• acetamidohexanoic acid
• acetoacetic acid
• acetohydroxamic acid
• acetohydroxy acid
• acetolactic acid
• acetonedicarboxylic acid
• acetous acid
• acetrizoic acid
• aceturic acid
• acetylenecarboxylic acid
• acetylglutamic acid
• acetylmuramic acid
• acetylneuraminic acid
• acetyltannic acid
• acexamic acid
• achilleic acid
• acidaemia
• acid amide
• acid anhydride
• acid attack
• acid-base
• acid-base pair
• acid bomb
• acid breaks
• acid chloride
• acidcore
• acid dissociation constant
• acid drop
• acidemia
• acidergic
• acid-fastness
• acid-free
• acid house
• acidimetre
• acidimetric
• acidimetry
• acid indigestion
• acidise
• acidization
• acidize
• acid jazz
• acidless
• acid lime
• acid mordant
• acidness
• acid number
• acidocyte
• acidogenesis
• acidogenic
• acidoid
• acidolysis
• acidometer
• acidophil
• acidophilia
• acidophyte
• acidopore
• acidotropic
• acid reflux
• acid rock
• acid snow
• acid-stable
• acid-tongued
• aciduria
• acid value
• acid-wash
• acid-washable
• acid weed
• acidy
• acitretin
• aconic acid
• aconitic acid
• actinidic acid
• adamantanoic acid
• adenylic acid
• adenylosuccinic acid
• adrenic acid
• aesculic acid
• agaricic acid
• agaricinic acid
• aldaric acid
• aldehydic acid
• aldobiuronic acid
• aldoheptonic acid
• aldohexonic acid
• aldohexuronic acid
• aldonic acid
• aldopentonic acid
• aldotetronic acid
• aldotrionic acid
• aldouronic acid
• alectoronic acid
• alendronic acid
• alien nucleic acid
• alkalonic acid
• alkanesulfonic acid
• alkanoic acid
• alkynoic acid
• allantoic acid
• allanturic acid
• allaric acid
• allenoic acid
• allomucic acid
• allonic acid
• allophanic acid
• alloxanic acid
• all-trans retinoic acid
• alpha acid
• alpha-amino acid
• alpha linolenic acid
• altraric acid
• altronic acid
• aluminic acid
• ambreic acid
• amfonelic acid
• amic acid
• amidopropionic acid
• amidotrizoic acid
• aminoacetic acid
• aminoadipic acid
• aminobenzoic acid
• aminobutanoic acid
• aminobutyric acid
• aminocaproic acid
• aminocyclopropanecarboxylic acid
• aminohexanoic acid
• aminohydroxamic acid
• aminoisobutyric acid
• aminolaevulinic acid
• aminolevulinic acid
• aminomethylbenzoic acid
• aminomethylphosphonic acid
• aminooxyacetic acid
• aminophosphinic acid
• aminophosphonic acid
• aminopolycarboxylic acid
• aminosalicylic acid
• aminoshikimic acid
• amygdalic acid
• anacardic acid
• anemonic acid
• angelic acid
• angelicic acid
• anilic acid
• anilinobenzoic acid
• anisic acid
• anofinic acid
• antacid
• anthranilic acid
• antiacid
• antimonic acid
• apic acid
• apiolic acid
• arabinoic acid
• arabinonucleic acid
• argininosuccinic acid
• arginosuccinic acid
• aristolochic acid
• arjunolic acid
• arogenic acid
• arsanilic acid
• arsenious acid
• arsinic acid
• arsinous acid
• arsonic acid
• arsonous acid
• artelinic acid
• artemisinic acid
• asparaginic acid
• asparagusic acid
• aspergillic acid
• aureolic acid
• auric acid
• aurintricarboxylic acid
• azelaic acid
• azidobenzoic acid
• azidoformic acid
• azinic acid
• azodicarboxylic acid
• azoleic acid
• azonic acid
• Badische acid
• barbatic acid
• barbituric acid
• bartogenic acid
• battery acid
• behenic acid
• bempedoic acid
• bendazolic acid
• benzenearsonous acid
• benzenedicarboxylic acid
• benzenesulfonic acid
• benzhydroxamic acid
• benzilic acid
• benzohydroxamic acid
• benzotriazolic acid
• beta-amino acid
• betalamic acid
• betulinamaric acid
• betulinic acid
• betulonic acid
• biacid
• bichloroacetic acid
• bicinchoninic acid
• biphosphoglyceric acid
• bisamino acid
• bishydroxamic acid
• blotter acid
• boletic acid
• bombic acid
• bombycic acid
• bongkrek acid
• bongkrekic acid
• boninic acid
• boracic acid
• borinic acid
• boroamino acid
• borofluoric acid
• boronic acid
• boswellic acid
• botcinic acid
• bovinic acid
• brassic acid
• brassidic acid
• bridged nucleic acid
• bromoacetic acid
• bromobenzenesulfonic acid
• bromobenzenesulphonic acid
• bromopyruvic acid
• bromous acid
• Bronner's acid
• Bronsted acid
• Brønsted-Lowry acid
• Bronsted-Lowry acid
• butadienoic acid
• butanedicarboxylic acid
• butanedioic acid
• butanoic acid
• butenoic acid
• butylboronic acid
• cacodylic acid
• caffeic acid
• caffeoylquinic acid
• caffetannic acid
• caftaric acid
• cahincic acid
• calcitroic acid
• calendic acid
• camphocarboxylic acid
• campholic acid
• camphoric acid
• camphoronic acid
• camphorsulfonic acid
• camphorsulphonic acid
• camphretic acid
• cannabichromenic acid
• cannabidiolic acid
• cannabigerolic acid
• cannabinerolic acid
• canrenoic acid
• carballylic acid
• carbanilic acid
• carbazic acid
• carbazotic acid
• carbonic acid gas
• carboxyglutamic acid
• carglumic acid
• carminic acid
• carnaubic acid
• carnic acid
• carnosic acid
• Caro's acid
• carotenoic acid
• carthamic acid
• casamino acid
• catalpic acid
• cellobionic acid
• cellotrionic acid
• cephalosporanic acid
• cerebric acid
• cerebronic acid
• ceroplastic acid
• cerotinic acid
• cervonic acid
• cetic acid
• cetoleic acid
• cetraric acid
• cevadic acid
• cevitamic acid
• chaetomellic acid
• chalybaeizanic acid
• chaulmoogric acid
• chebulagic acid
• chebulic acid
• chebulinic acid
• chelidamic acid
• chelidonic acid
• chenodeoxycholic acid
• chenodeoxyglycocholic acid
• chenodesoxycholic acid
• chinic acid
• chiodectonic acid
• chlodronic acid
• chloranilic acid
• chloroacetic acid
• chloroauric acid
• chloroazotic acid
• chlorocarbonic acid
• chloroethanoic acid
• chloroformic acid
• chlorogenic acid
• chlorokojic acid
• chloromercuribenzoic acid
• chloroplatinic acid
• chlorosulfonic acid
• chlorosulfuric acid
• chlorous acid
• cholaic acid
• cholanoic acid
• choleic acid
• cholinic acid
• chorismic acid
• chrome-sulfuric acid
• chromotropic acid
• chrysanthemic acid
• chrysophanic acid
• chyazic acid
• cichoric acid
• cicloxilic acid
• cimicic acid
• cinchomeronic acid
• cinnamic acid
• citraconic acid
• citramalic acid
• citric acid cycle
• citronellic acid
• clavaric acid
• clavulanic acid
• clodronic acid
• clofibric acid
• clupanodonic acid
• cobalticyanic acid
• cobinic acid
• coccinic acid
• cochinelic acid
• colanic acid
• columbic acid
• columbinic acid
• comenic acid
• complicatic acid
• conidendric acid
• conjugate acid-base pair
• conpsoromic acid
• consquamatic acid
• copaibic acid
• copaivic acid
• coprocholic acid
• cornic acid
• coronafacic acid
• coronamic acid
• corosolic acid
• corynemycolic acid
• corynomycolic acid
• coumaric acid
• coumarilic acid
• coumarinic acid
• coutaric acid
• creatinephosphoric acid
• creatine-phosphoric acid
• crenic acid
• crepenynic acid
• cresylic acid
• croconic acid
• cromoglicic acid
• cryptochlorogenic acid
• cryptochlorophaeic acid
• cryptoporic acid
• cubebic acid
• cumic acid
• cyanoacetic acid
• cyanoacrylic acid
• cyanocarbon acid
• cyanoformic acid
• cyclobutaneacetic acid
• cyclohexanoic acid
• cyclopentanoic acid
• cyclopiazonic acid
• cylindrospermic acid
• cymarylic acid
• cypionic acid
• cysteic acid
• cytidylic acid
• dafachronic acid
• Dahl's acid
• daturic acid
• decadienoic acid
• decanedioic acid
• decanoic acid
• decarboxythamnolic acid
• decatoic acid
• decenoic acid
• decoic acid
• deduced amino acid sequence
• dehydroacetic acid
• dehydroamino acid
• dehydrocholic acid
• dehydroquinic acid
• dehydroshikimic acid
• delphinic acid
• delta acid
• deltic acid
• deoxyadenylic acid
• deoxycholic acid
• deoxycytidylic acid
• deoxygluconic acid
• deoxyribose nucleic acid
• deoxyuridylic acid
• desoxyribonucleic acid
• desoxyribose nucleic acid
• dextronic acid
• dextrotartaric acid
• diacetic acid
• diacid
• dialuric acid
• diaminopimelic acid
• diatrizoic acid
• diazoacetic acid
• diazoic acid
• dicarboxylic acid
• dichloroacetic acid
• dichlorophenoxyacetic acid
• dichromic acid
• dienoic acid
• diethylenetriaminepentaacetic acid
• diffractaic acid
• diglycolic acid
• dihomolinoleic acid
• dihydroartemisinic acid
• dihydrokainic acid
• dihydrolipoic acid
• dihydroxybenzoic acid
• dihydroxysuccinic acid
• diiodosalicylic acid
• diketo acid
• dimercaptosuccinic acid
• dioic acid
• diphosphoric acid
• dipicolinic acid
• disulphuric acid
• dithioacetic acid
• dithiobenzoic acid
• dithiocarbamic acid
• dithionic acid
• dithionitrobenzoic acid
• dithionous acid
• divaricatic acid
• djenkolic acid
• docosadienoic acid
• docosahexaenoic acid
• docosanoic acid
• docosapentaenoic acid
• docosatetraenoic acid
• docosenoic acid
• dodecanedioic acid
• dodecanoic acid
• dodecenoic acid
• doeglic acid
• doisynolic acid
• dolichoic acid
• domoic acid
• dotriacontanoic acid
• Dressel acid
• drop acid
• ecdysonoic acid
• edetic acid
• egtazic acid
• eicosadienoic acid
• eicosaenoic acid
• eicosanoic acid
• eicosapentaenoic acid
• eicosapentanoic acid
• eicosatetraenoic acid
• eicosatetraynoic acid
• eicosatrienoic acid
• eicosenoic acid
• elaeomargaric acid
• elaïdic acid
• elaidic acid
• elaidinic acid
• elaiodic acid
• eleomargaric acid
• eleostearic acid
• ellagic acid
• elmiric acid
• embonic acid
• emulsic acid
• enamino acid
• enanthic acid
• enedioic acid
• enoic acid
• epibetulinic acid
• epoxyeicosapentaenoic acid
• epoxyeicosatrienoic acid
• equisetic acid
• erythorbic acid
• erythraric acid
• erythroleic acid
• erythronic acid
• esculic acid
• essential amino acid
• essential fatty acid
• etabonic acid
• etacrynic acid
• ethacrynic acid
• ethanesulfonic acid
• ethionic acid
• ethylenediaminetetraacetic acid
• ethylenediaminetetracetic acid
• ethylsulphuric acid
• etianic acid
• etidronic acid
• euchroic acid
• eudesmic acid
• euscaphic acid
• euxanthic acid
• evernic acid
• exocarpic acid
• farnesoic acid
• fenamic acid
• fenclozic acid
• fenofibric acid
• ferric acid
• ferrocyanic acid
• fertaric acid
• ferulic acid
• filicic acid
• flufenamic acid
• fluoboric acid
• fluoro acid air
• fluoroantimonic acid
• fluoroboric acid
• fluoroorotic acid
• fluorosilicic acid
• folic acid
• folinic acid
• formiminoglutamic acid
• frangulic acid
• frangulinic acid
• free fatty acid
• fulminuric acid
• fulvic acid
• fuming sulfuric acid
• fuming sulphuric acid
• furilic acid
• furoic acid
• fusaric acid
• gadic acid
• gadobenic acid
• gadoleic acid
• gadopentetic acid
• gadoteric acid
• gadoxetic acid
• gaidic acid
• galactaric acid
• galactonic acid
• galacturonic acid
• gallagic acid
• gallic acid
• gallotannic acid
• gambodic acid
• gambogenic acid
• gambogic acid
• gamma-aminobutyric acid
• gamma-hydroxybutyric acid
• gamolenic acid
• ganoderic acid
• garcinoic acid
• gastric acid
• geddic acid
• geic acid
• gelsemic acid
• gelseminic acid
• geniposidic acid
• gentianic acid
• gentisic acid
• geranic acid
• germanic acid
• gheddic acid
• glacial acetic acid
• glacial acid
• glaucic acid
• glucaric acid
• glucocaffeic acid
• glucoheptanoic acid
• glucoheptonic acid
• glucopyranuronic acid
• glucosaminic acid
• glucosiduronic acid
• glucosinolic acid
• glucuronic acid
• glutaconic acid
• glutaric acid
• glycaric acid
• glycerophosphoric acid
• glycinohydroxamic acid
• glyco-amino-acid
• glycochenodeoxycholic acid
• glycocholic acid
• glycodeoxycholic acid
• glycollic acid
• glycol nucleic acid
• glyconic acid
• glycosidic acid
• glycosinolic acid
• glycosyl-amino-acid
• glycuronic acid
• glycyrrhetinic acid
• glycyrrhizic acid
• glycyrrhizinic acid
• glyoxalic acid
• glyoxylic acid
• gondoic acid
• gorlic acid
• graphitic acid
• guanidinosuccinic acid
• guanylic acid
• gularic acid
• guluronic acid
• gymnemic acid
• gyrophoric acid
• haemathamnolic acid
• haloacetic acid
• haloacid
• haloboronic acid
• hederic acid
• helvellic acid
• helvolic acid
• hemicarbonic acid
• heneicosanoic acid
• heneicosapentaenoic acid
• hennotannic acid
• hentriacontanoic acid
• heptacosanoic acid
• heptadecanoic acid
• heptadecatrienoic acid
• heptadecenoic acid
• heptafluorobutyric acid
• heptanoic acid
• heptatriacontanoic acid
• heptenoic acid
• heptoic acid
• heptynoic acid
• heteropoly acid
• hexacarboxylic acid
• hexachloroplatinic acid
• hexacid
• hexacosanoic acid
• hexacosenoic acid
• hexadecanedioic acid
• hexadecanoic acid
• hexadecatrienoic acid
• hexadecenoic acid
• hexaenoic acid
• hexafluorophosphoric acid
• hexahydroxydiphenic acid
• hexanoic acid
• hexatetracontanoic acid
• hexatriacontanoic acid
• hexenoic acid
• hexuronic acid
• hexynoic acid
• hiascic acid
• hipposudoric acid
• hippuric acid
• hircic acid
• hirsutic acid
• homoaconitic acid
• homocitric acid
• homogentisic acid
• homopantothenic acid
• homopolygalacturonic acid
• homosekikaic acid
• homovanillic acid
• homoveratric acid
• hopantenic acid
• hordeic acid
• hyaluronic acid
• hydantoic acid
• hydnocarpic acid
• hydracid
• hydracrylic acid
• hydrazinecarboxylic acid
• hydrazoic acid
• hydrazonic acid
• hydrazonoic acid
• hydric acid
• hydrocinnamic acid
• hydroferrocyanic acid
• hydrofluosilicic acid
• hydrogen acid
• hydrohalic acid
• hydrohydroxic acid
• hydroiodic acid
• hydromellonic acid
• hydroperoxyeicosatetraenoic acid
• hydrosorbic acid
• hydrosulfuric acid
• hydrosulfurous acid
• hydrosulphuric acid
• hydroxamic acid
• hydroxic acid
• hydroxilic acid
• hydroximic acid
• hydroxyacetic acid
• hydroxybenzoic acid
• hydroxybutyric acid
• hydroxycinnamic acid
• hydroxycitric acid
• hydroxyeicosatetraenoic acid
• hydroxyglutaric acid
• hydroxyisovaleric acid
• hydroxylic acid
• hydroxypyruvic acid
• hydroxystearic acid
• hyperacid
• hypoacid
• hypogaeic acid
• hypogeic acid
• hyponitric acid
• hyponitrous acid
• hypophosphoric acid
• hyposulfurous acid
• hypothamnolic acid
• ibandronic acid
• ibotenic acid
• icosapentaenoic acid
• idonic acid
• iduronic acid
• ilicic acid
• imidic acid
• imido acid
• iminoacetic acid
• imino acid
• iminoaspartic acid
• iminodiacetic acid
• incadronic acid
• indigotic acid
• inosinic acid
• iobenzamic acid
• iocarmic acid
• iocetamic acid
• iodic acid
• iodoacetic acid
• iodobehenic acid
• iodous acid
• iodoxamic acid
• iodoxybenzoic acid
• ioglicic acid
• ioglycamic acid
• iopanoic acid
• iopodic acid
• iotalamic acid
• iotroxic acid
• ioxaglic acid
• ioxitalamic acid
• ioxithalamic acid
• ipecacuanhic acid
• isatic acid
• isatinic acid
• isatropic acid
• isethionic acid
• isoacid
• isoascorbic acid
• isobutylphenyl propionic acid
• isocaproic acid
• isochlorogenic acid
• isocitric acid
• isocyanic acid
• isocyanuric acid
• isoferulic acid
• isolithocholic acid
• isonicotinic acid
• isononanoic acid
• isopalmitic acid
• isophthalic acid
• isopimaric acid
• isopoly acid
• isopropylmalic acid
• isopropylmethylphosphonic acid
• isorumelenic acid
• isosaccharinic acid
• isostearic acid
• isosulphocyanic acid
• isouric acid
• isovaleric acid
• isovanillic acid
• isoxerocomic acid
• itaconic acid
• jacaric acid
• jalapic acid
• jalapinolic acid
• jasmonic acid
• juniperic acid
• kacemic acid
• kainic acid
• kaurenoic acid
• kermesic acid
• ketoacid
• keto acid
• ketoadipic acid
• ketoaldonic acid
• ketocarboxylic acid
• ketoglutaric acid
• ketoisovaleric acid
• keto-mycolic acid
• ketomycolic acid
• ketopantoic acid
• ketosuccinic acid
• kinic acid
• kinotannic acid
• kinovic acid
• kojic acid
• komenic acid
• kulonic acid
• kynurenic acid
• labiatic acid
• lacceroic acid
• laccic acid
• lactamic acid
• lactobacillic acid
• lactobionic acid
• lactucic acid
• lacturamic acid
• laevulinic acid
• lampic acid
• lantanuric acid
• larixinic acid
• Laurent's acid
• lead-acid
• lecanoric acid
• legionaminic acid
• lepidotic acid
• lesquerolic acid
• leucic acid
• leucinic acid
• leuconic acid
• leucoturic acid
• levofolinic acid
• levomefolic acid
• levulinic acid
• lichenic acid
• lichesterinic acid
• lignoceric acid
• limonoic acid
• linoelaidic acid
• lipoamino acid
• lipoic acid
• lipoteichoic acid
• lithic acid
• lithobilic acid
• lithocholic acid
• lithofellic acid
• lithospermic acid
• locked nucleic acid
• loganic acid
• lucidenic acid
• lupulinic acid
• luteic acid
• lycopenoic acid
• lysergic acid amide
• lysophosphatidic acid
• lyxonic acid
• madecassic acid
• magic acid
• mahogany acid
• maizenic acid
• malamic acid
• maleamic acid
• maleylacetoacetic acid
• malonamic acid
• maltonic acid
• malvalic acid
• mandelic acid
• manganic acid
• mannaric acid
• mannonic acid
• mannosaminuronic acid
• mannuronic acid
• margaritic acid
• marine acid
• marine acid air
• maslinic acid
• mebutic acid
• meclofenamic acid
• meconic acid
• meconinic acid
• medronic acid
• mefenamic acid
• melanurenic acid
• melanuric acid
• melassic acid
• melibionic acid
• melilotic acid
• melissic acid
• mellic acid
• mellitic acid
• menispermic acid
• mephenamic acid
• mephitic acid
• mercaptoacetic acid
• mercaptobenzoic acid
• mercaptocarboxylic acid
• mercaptopropionic acid
• mercaptoundecanoic acid
• mercapturic acid
• merochlorophaeic acid
• meromycolic acid
• merulinic acid
• mesaconic acid
• mesotartaric acid
• mesoxalic acid
• metaboric acid
• metachloroperoxybenzoic acid
• metagallic acid
• metapectic acid
• metasaccharinic acid
• metasilicic acid
• metastannic acid
• metatartaric acid
• metatitanic acid
• metatungstic acid
• metavanadic acid
• methanesulfonic acid
• methanesulphonic acid
• methanoic acid
• methionic acid
• methoxymalonic acid
• methoxymycolic acid
• methylarsonic acid
• methylarsonous acid
• methylchlorophenoxypropionic acid
• methylglutaconic acid
• methylglutaric acid
• methylmalonic acid
• methylnorhomosekikaic acid
• metrizoic acid
• mevaldic acid
• mevalonic acid
• microphyllinic acid
• microribonucleic acid
• milk acid
• mimotannic acid
• mineral acid
• minodronic acid
• molybdic acid
• monacid
• monoacid
• monomethylarsonic acid
• monomethylarsonous acid
• monothionic acid
• montanic acid
• moric acid
• moringic acid
• morintannic acid
• moritannic acid
• moroctic acid
• moronic acid
• moroxylic acid
• morrhuic acid
• muconic acid
• mucous acid
• muramic acid
• muricholic acid
• mycocerosic acid
• mycolic acid
• mycolipanoic acid
• mycolipanolic acid
• mycolipenic acid
• mycomelic acid
• naphthenic acid
• naphthionic acid
• nebraskanic acid
• niacin
• nicotinohydroxamic acid
• nonacid
• Nordhausen acid
• obeticholic acid
• olivetoric acid
• orthoacid
• overacid
• oxoacid
• oxyacid
• pentacid
• peracid
• peroxyacid
• phenoxyacid
• phosphotungstovanadic acid
• photoacid
• pinastric acid
• polyacid
• porphyrilic acid
• propionohydroxamic acid
• psyllic acid
• purreic acid
• pyroacid
• pythocholic acid
• red fuming nitric acid
• rhodeoretinic acid
• salicylhydroxamic acid
• scammonic acid
• semiacid
• skacid
• stipitatic acid
• stomach acid
• subacid
• sulfacid
• sulfoacid
• sulphoacid
• superacid
• talonic acid
• telfairic acid
• tetraacid
• tetracid
• thermoacidophile
• thioacid
• thionitrobenzoic acid
• thiophanic acid
• Tobias acid
• triacid
• trichloroisocyanuric acid
• trihydroxybenzoic acid
• truxillic acid
• uroxanic acid
• vegetable acid
• white fuming nitric acid
• zaragozic acid

 

Translations

sour, sharp, or biting to the taste

• Afrikaans: suur (af)
• Arabic: حَامِض (ḥāmiḍ)
• Armenian: թթու (hy) (tʻtʻu)
• Asturian: ácidu (ast)
• Belarusian: кі́слы m (kísly)
• Bengali: অম্ল (bn) (omlo)
• Bulgarian: кисел (bg) (kisel)
• Catalan: àcid (ca)
• Chinese:

  Mandarin: 酸 (zh) (suān)

• Czech: kyselý (cs)
• Danish: sur (da)
• Dutch: zuur (nl)
• Esperanto: acida (eo)
• Estonian: hapu, kibe (et)
• Finnish: hapan (fi), hapokas (fi)
• French: aigre (fr), acide (fr)
• Galician: ácido (gl)
• Georgian: მჟავე (mžave)
• German: sauer (de)
• Greek: οξύς (el) m (oxýs), ξινός (el) m (xinós)
• Gullah: aacit
• Hebrew: חמוץ (he)
• Hindi: अम्ल (hi) m (amla), तेज़ाब (tezāb)
• Hungarian: fanyar (hu), savanyú (hu), kesernyés (hu)
• Icelandic: súr (is), beiskur
• Ido: acida (io)
• Indonesian: asam (id)
• Italian: acido (it)
• Japanese: すっぱい (ja) (suppai), 酸っぱい (ja) (suppai)
• Korean: 시다 (ko) (sida)
• Kyrgyz: кычкыл (ky) (kıckıl), кычкылдык (ky) (kıckıldık), кычкыл нерсе (ky) (kıckıl nerse), кислота (ky) (kislota), жегич (ky) (jegic), ачыштыргыч (acıştırgıc), курч (ky) (kurc), күйгүзүүчү (ky) (küygüzüücü), шылдың (ky) (şıldıŋ), какшык (ky) (kakşık), кекээр (kekeer), кыжырлантуучу (ky) (kıjırlantuucu), сайгылаган (saygılagan), ачуу (ky) (acuu), уулуу (ky) (uuluu), заардуу (ky) (zaarduu)
• Latin: acidus (la)
• Latvian: skābs (lv) m, skāba f
• Lithuanian: rūgštis (lt) f
• Luxembourgish: sauer
• Macedonian: кисел (kisel)
• Malay: masam (ms), berasid
• Malayalam: അമ്ലം (ml) (amlaṁ), ആസിഡ് (āsiḍŭ)
• Maori: kawa (mi), hīmoemoe
• Marathi: आम्ल n (āmla)
• Norwegian: sur (no)
• Old Church Slavonic: кꙑсѣлъ (kysělŭ)
• Ottoman Turkish: اكشی (ekşi), حامض (hamız)
• Persian: اسید (fa) (asid), آچار (fa) (âčâr), ترش (fa) (torš)
• Polish: kwaśny (pl)
• Portuguese: ácido (pt), azedo (pt)
• Romanian: acru (ro), acid (ro)
• Russian: ки́слый (ru) (kíslyj) (comparable), е́дкий (ru) (jédkij)
• Sanskrit: आम्ल (sa) n (āmla)
• Serbo-Croatian:

  Cyrillic: кисео

  Roman: kiseo (sh)

• Slovak: kyslý (sk)
• Slovene: kisel (sl)
• Southern Altai: кычкыл (kïčkïl)
• Spanish: agrio (es), ácido (es)
• Swedish: sur (sv)
• Telugu: ఆమ్లము (te) (āmlamu)
• Thai: กรด (th) (gròt)
• Ukrainian: ки́слий (uk) (kýslyj)
• Welsh: sur (cy), siarp (cy)
• Yiddish: זויער (zoyer)

sour-tempered

• Afrikaans: suur (af)
• Arabic: لَاذِع (lāḏiʕ)
• Armenian: խայթող (xaytʻoġ)
• Bulgarian: ки́сел (bg) (kísel)
• Chinese:

  Mandarin: 尖酸 (zh) (jiānsuān)

• Danish: sur (da)
• Dutch: zuur (nl)
• Esperanto: acida (eo)
• Estonian: hapendatud
• Finnish: hapan (fi)
• French: acide (fr)
• Galician: ácido (gl) m
• German: sauer (de)
• Greek: οξύς (el) m (oxýs), καυστικός (el) m (kafstikós), δριμύς (el) m (drimýs), ξινός (el) m (xinós)
• Icelandic: meinhæðinn m, meinhæðin f, meinhæðið n
• Ido: desafabla (io)
• Italian: acido (it)
• Latvian: skābs (lv) m, skāba f
• Macedonian: кисел (kisel)
• Norwegian: sur (no)
• Persian: ترش (fa) (torš)
• Polish: kwaśny (pl)
• Portuguese: ácido (pt)
• Romanian: acru (ro)
• Russian: язви́тельный (ru) (jazvítelʹnyj), е́дкий (ru) (jédkij)
• Spanish: malhumorado (es)
• Swedish: sur (sv)
• Thai: กรด (th) (gròt)

of or pertaining to an acid

• Armenian: թթվային (hy) (tʻtʻvayin)
• Bulgarian: кисели́нен (kiselínen)
• Catalan: àcid (ca)
• Chinese:

  Mandarin: 酸性 (zh) (suānxìng)

• Esperanto: acida (eo)
• Estonian: happeline
• Finnish: hapan (fi)
• French: acide (fr)
• Galician: ácido (gl) m
• Greek: όξινος (el) m (óxinos)
• Hindi: अम्ल (hi) m (amla)
• Hungarian: savas (hu)
• Ido: acida (io)
• Indonesian: asam (id), masam (id)
• Italian: acido (it)
• Japanese: 酸性 (ja) (sansei)
• Korean: 산성(酸性)의 (sanseong-ui)
• Luxembourgish: sauer
• Macedonian: кисели́нски (kiselínski)
• Malay: berasid, asam (ms), masam (ms)
• Maori: kawa (mi)
• Norwegian: syre-
• Polish: kwaśny (pl)
• Portuguese: ácido (pt)
• Romanian: acid (ro)
• Russian: кисло́тный (ru) (kislótnyj)
• Sanskrit: आम्ल (sa) n (āmla)
• Serbo-Croatian: kisèlīnskī (sh), kiseli (sh)
• Spanish: ácido (es)
• Swedish: syra-
• Telugu: ఆమ్లము (te) (āmlamu)
• Vietnamese: axit (vi)
• Welsh: asidig

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• Breton: ^{(please verify)} trenk (br), ^{(please verify)} sur (br)
• Interlingua: (1, 2) ^{(please verify)} acide
• Lithuanian: ^{(please verify)} rūgštis (lt) f
• Malay: (2) ^{(please verify)} masam (ms)
• Rohingya: ^{(please verify)} ésíd

Noun

hydrochloric acid

acid (countable and uncountable, plural acids)

1. A sour substance.
2. (chemistry)
   1. Any compound which yields H+ ions (protons) when dissolved in water; an Arrhenius acid.
   2. Any compound that easily donates protons to a base; a Brønsted acid.
   3. Any compound that can accept a pair of electrons to form a covalent bond; a Lewis acid.
3. Any corrosive substance.
   • 2006, James Fenton, Jerusalem:

     You are in error. / This is terror. / This is your banishment. This land is mine. / This is what you earn. / This is the Law of No Return. / This is the sour dough, this the sweet wine. / This is my history, this my race / And this unhappy man threw acid in my face.

4. (uncountable, slang) LSD, lysergic acid diethylamide.
   • 1967, Joe David Brown, editor, The Hippies, New York: Time, Inc, page 171:

     In the end, though, there is one sure way to distinguish a real hippie from his assorted sympathizers: hippies drop acid. That is, real hippies frequently, if irregularly, ingest LSD.

Antonyms

• alkali
• base

Hyponyms

• See also Thesaurus:acid

Derived terms

terms derived from “acid”

• acid-base equilibrium
• acid-base indicator
• acid-fast
• acidhead
• acid house
• acidic
• acidify
• acidimeter
• acidity
• acid jazz
• acidly
• acidophile
• acidophilic
• acidosis
• acid-proof, acidproof
• acid rain
• acid-resistant
• acid test
• acidulate
• acidulous
• come the acid
• come the old acid

types of acid

• acetic acid
• acetylsalicylic acid
• acid of air
• acid of amber
• acid of ants
• acid of apples
• acid of lemon
• acid of milk
• acid of salt
• acid of sugar
• acrylic acid
• adipic acid
• alginic acid
• alpha-hydroxy acid
• amino acid
• arachidic acid
• arachidonic acid
• arsenic acid
• ascorbic acid
• aspartic acid
• benzoic acid
• bile acid
• boric acid
• bromic acid
• butyric acid
• capric acid
• caproic acid
• caprylic acid
• carbamic acid
• carbolic acid, phenol
• carbonic acid
• carboxylic acid
• cerotic acid
• chloric acid
• cholic acid
• chromic acid
• citric acid
• conjugate acid
• connorstictic acid
• consalazinic acid
• constictic acid
• convirensic acid
• crotonic acid
• cryptostictic acid
• cyanic acid
• cyanuric acid
• cyclamic acid
• deoxyribonucleic acid, DNA
• erucic acid
• ethanoic acid
• fatty acid
• folic acid
• formic acid
• fulminic acid
• fumaric acid
• fumarprotocetraric acid
• fusidic acid
• galbinic acid
• gibberellic acid
• gluconic acid
• glutamic acid
• glyceric acid
• glycolic acid
• humic acid
• hydriodic acid
• hydrobromic acid
• hydrochloric acid
• hydrocyanic acid
• hydrofluoric acid
• hydrosulphurous acid
• hydroxy acid
• hypobromous acid
• hypochlorous acid
• hypofluorous acid
• hypohalous acid
• hypoiodous acid
• hypophosphorous acid
• hyposalazinic acid
• hypostietic acid
• hyposulphurous acid
• indoleacetic acid
• isobutyric acid
• ketipic acid
• lactic acid
• lauric acid
• Lewis acid
• linoleic acid
• linolenic acid
• lysergic acid
• maleic acid
• malic acid
• malonic acid
• margaric acid
• metaphosphoric acid
• methacrylic acid
• mucic acid
• muriatic acid
• myristic acid
• nicotinic acid
• nitric acid
• nitrous acid
• norisonotatic acid
• norstictic acid
• nucleic acid
• oleic acid
• omega-3 fatty acid
• omega-6 fatty acid
• osmic acid
• oxaloacetic acid
• oxalic acid
• palmitic acid
• pantothenic acid
• pectic acid
• pelargonic acid
• perchloric acid
• periodic acid
• permanganic acid
• petroselinic acid
• phosphoric acid
• phosphorous acid
• phthalic acid
• picric acid
• propanoic acid
• propionic acid
• protocetraric acid
• prussic acid
• pyrogallic acid
• pyrophosphoric acid
• pyruvic acid
• racemic acid
• retinoic acid
• ribonucleic acid, RNA
• ricinoleic acid
• salazinic acid
• salicylic acid
• sebacic acid
• selenic acid
• silicic acid
• stearic acid
• stictic acid
• suberic acid
• succinic acid
• sulphonic acid, sulfonic acid
• sulphuric acid, sulfuric acid
• sulphurous acid, sulfurous acid
• tannic acid
• tantalic acid
• tartaric acid
• telluric acid
• thiocyanic acid
• thiosulphuric acid, thiosulfuric acid
• titanic acid
• toluic acid
• trans fatty acid
• tungstic acid
• undecilenic acid
• uric acid
• usnic acid
• valeric acid
• vanadic acid
• virensic acid

Descendants

• → Welsh: asid

Translations

a sour substance

• Afrikaans: suur (af)
• Albanian: acid (sq)
• Arabic: حَامِض m (ḥāmiḍ), حَمْض m (ḥamḍ)
• Armenian: թթու (hy) (tʻtʻu)
• Azerbaijani: turşu (az)
• Belarusian: кіслата́ f (kislatá)
• Bengali: অম্ল (bn) (omlo)
• Breton: trenkenn (br) f, trenkennoù (br) f pl
• Bulgarian: киселина́ f (kiseliná)
• Burmese: အက်စစ် (my) (akcac)
• Catalan: àcid (ca) m
• Chinese:

  Mandarin: 酸 (zh) (suān)

• Czech: kyselina (cs) f
• Danish: syre (da) c
• Dutch: zuur (nl) n
• Estonian: hape
• Farefare: mi'isgo
• Faroese: sýra f
• Finnish: hapan aine
• French: acide (fr) m
• Georgian: მჟავა (mžava)
• German: Säure (de) f
• Greek: οξύ (el) n (oxý)
• Hebrew: חוּמצָה (he) f (khumtzá)
• Hindi: अम्ल (hi) m (amla), एसिड (hi) (esiḍ), तेज़ाब m (tezāb), तेजाब (hi) m (tejāb)
• Hungarian: sav (hu)
• Icelandic: sýra (is) f
• Ingrian: kislotta, happo
• Irish: aigéad m
• Italian: acido (it) m
• Japanese: 酸 (ja) (さん, san)
• Kazakh: қышқыл (kk) (qyşqyl), қышқылдық (kk) (qyşqyldyq)
• Khmer: អាស៊ីត (ʼaasiit), ក្រុត (krot)
• Korean: 산(酸) (ko) (san)
• Kyrgyz: кычкылдык (ky) (kıckıldık)
• Lao: ກົດ (lo) (kot)
• Latvian: skābe (lv) f
• Lithuanian: rūgštis (lt) f
• Luxembourgish: Saier (lb) f
• Macedonian: киселина (mk) f (kiselina)
• Malay: asam (ms), asid (ms)
• Maori: atiti
• Mongolian: хүчил (mn) (xüčil)
• Norwegian:

  Bokmål: syre (no) m or f

  Nynorsk: syre f

• Ottoman Turkish: اكشی (ekşi), حامض (hamız)
• Persian: اسید (fa) (asid)
• Polish: kwas (pl) m inan
• Portuguese: ácido (pt) m
• Russian: кислота́ (ru) f (kislotá), кисля́тина (ru) f (kisljátina) (colloquial, disparaging)
• Sanskrit: अम्लम् (sa) (amlam), आम्ल (sa) n (āmla)
• Serbo-Croatian:

  Cyrillic: киселина f

  Roman: kiselina (sh) f

• Slovak: kyselina (sk) f
• Slovene: kislina (sl) f
• Southern Altai: кычкыл (kïčkïl)
• Spanish: ácido (es) m
• Swedish: syra (sv)
• Tagalog: asido (tl)
• Tajik: кислота (kislota), ҳомуз (homuz)
• Thai: กรด (th) (gròt)
• Tocharian B: āmpäl
• Turkish: asit (tr)
• Turkmen: kislota
• Ukrainian: кислота́ (uk) f (kyslotá)
• Urdu: ایسڈ (esiḍ), تیزاب (tezāb)
• Uyghur: كىسلاتا (kislata)
• Uzbek: kislota (uz)
• Vietnamese: axít (vi)
• Welsh: suryn m
• Yoruba: ásíìdì, omiró

in chemistry

• Albanian: acid (sq) m
• Arabic: حَامِض m (ḥāmiḍ)
• Armenian: թթու (hy) (tʻtʻu)
• Asturian: ácidu (ast) m
• Basque: azido
• Belarusian: кіслата f (kislata)
• Bulgarian: киселина (kiselina)
• Burmese: အက်စစ် (my) (akcac)
• Catalan: àcid (ca) m
• Chinese:

  Mandarin: 酸 (zh) (suān), 酸性 (zh) (suānxìng)

• Czech: kyselina (cs) f
• Danish: syre (da) c
• Dutch: zuur (nl) n
• Erzya: чапо (čapo)
• Esperanto: acido (eo)
• Estonian: hape
• Faroese: sýra f
• Finnish: happo (fi)
• French: acide (fr) m
• Friulian: acit m
• Galician: ácido (gl) m
• Georgian: მჟავა (mžava)
• German: Säure (de) f
• Greek: οξύ (el) n (oxý)
• Hawaiian: waiʻawa
• Hindi: तेज़ाब m (tezāb), अम्ल (hi) (amla), तेजाब (hi) m (tejāb)
• Hungarian: sav (hu)
• Icelandic: sýra (is) f
• Ido: acido (io)
• Indonesian: asam (id)
• Interlingua: acido
• Irish: aigéad m
• Italian: acido (it) m
• Japanese: 酸 (ja) (さん, san)
• Khmer: អាស៊ីត (aasiit), គីមីអាស៊ីដ (kiimii aasiit), ទឹកអាស៊ីដ (tɨk aasiit)
• Korean: 산(酸) (ko) (san)
• Latin: acidum (la) n
• Latvian: skābe (lv) f
• Lithuanian: rūgštis (lt) f
• Luxembourgish: Saier (lb) f
• Macedonian: киселина (mk) f (kiselina)
• Malay: asid (ms), asam (ms)
• Malayalam: അമ്ലം (ml) (amlaṁ)
• Maori: waikawa, kawa (mi), atiti
• Norwegian:

  Bokmål: syre (no) m or f

  Nynorsk: syre f

• Odia: ଅମ୍ଳ (amḷa)
• Ottoman Turkish: اكشی (ekşi), حامض (hamız)
• Pashto: تېزاب (ps) m (tezãb), زونځه f (zonjá), اسيډ (ps) m (asiḍ)
• Persian: اسید (fa)

  Dari: تیزاب (fa)

• Polish: kwas (pl) m inan
• Portuguese: ácido (pt) m
• Romanian: acid (ro) m
• Russian: кислота́ (ru) f (kislotá)
• Sanskrit: अम्ल (sa) n (amla), आम्ल (sa) n (āmla)
• Scottish Gaelic: searbhag f
• Serbo-Croatian:

  Cyrillic: киселина f

  Roman: kiselina (sh) f

• Slovene: kislina (sl) f
• Southern Altai: кычкыл (kïčkïl)
• Spanish: ácido (es) m
• Swedish: syra (sv)
• Tagalog: asido (tl)
• Telugu: ఆమ్లము (te) (āmlamu)
• Thai: กรด (th) (gròt)
• Turkish: asit (tr)
• Ukrainian: кислота́ (uk) f (kyslotá)
• Urdu: تیزاب m (tezāb)
• Uyghur: كىسلاتا (kislata)
• Uzbek: kislota (uz)
• Vietnamese: axit (vi)
• Volapük: züd (vo)
• Welsh: asid (cy) m
• Yoruba: ásíìdì

LSD

• Catalan: àcid (ca) m
• Chinese:

  Mandarin: please add this translation if you can

• Danish: syre (da)
• Dutch: lsd (nl) m or f or n
• Esperanto: acido (eo)
• Estonian: hape
• Finnish: happo (fi)
• French: acide (fr) m or f
• Georgian: please add this translation if you can
• Icelandic: sýra (is) f
• Italian: acido (it) m, acido lisergico m
• Norwegian:

  Bokmål: syre (no) m or f

  Nynorsk: syre f

• Polish: kwas (pl) m inan
• Portuguese: ácido (pt) m
• Romanian: acid (ro) m
• Russian: кислота́ (ru) f (kislotá)
• Serbo-Croatian: есид m, esid m
• Swedish: acid (sv), syra (sv)

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• Albanian: ^{(please verify)} acidi (sq)
• Arabic: ^{(please verify)} حٰمْض m (ḥāmḍ)
• Ido: ^{(please verify)} acido (io)
• Indonesian: ^{(please verify)} asam (id)
• Interlingua: ^{(please verify)} acido
• Lithuanian: ^{(please verify)} rūgštus m

See also

• acerbic
• acro-
• pH

References

• “acid”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

Anagrams

• -adic, Daic, adic, cadi, caid

Albanian

Noun

acid m (plural acide, definite acidi, definite plural acidet)

1. (chemistry) acid

   Synonym: thartor

Declension

Declension of acid

	singular		plural
	indefinite	definite	indefinite	definite
nominative	acid	acidi	acide	acidet
accusative		acidin
dative	acidi	acidit	acideve	acideve
ablative			acidesh

Further reading

• “acid”, in FGJSSH: Fjalor i gjuhës së sotme shqipe [Dictionary of the modern Albanian language]‎^[1] (in Albanian), 1980
• “acid”, in FGJSH: Fjalor i gjuhës shqipe [Dictionary of the Albanian language] (in Albanian), 2006

Dutch

Etymology

Unadapted borrowing from English acid.

Attested since at least 1970.

Pronunciation

• Audio:

  (file)

Noun

acid m (uncountable)

1. (slang) LSD, lysergic acid diethylamide

   Synonym: LSD

2. (music) acid

Romanian

Etymology

Borrowed from French acide, from Latin acidus (“sour, acid”).

Pronunciation

• IPA^(key): [aˈt͡ʃid]

Adjective

acid m or n (feminine singular acidă, masculine plural acizi, feminine and neuter plural acide)

1. acid, acidic

Declension

Declension of acid

		singular			plural
		masculine	neuter	feminine	masculine	neuter	feminine
nominative/ accusative	indefinite	acid		acidă	acizi	acide
	definite	acidul		acida	acizii	acidele
genitive/ dative	indefinite	acid		acide	acizi	acide
	definite	acidului		acidei	acizilor	acidilor

Related terms

• aciditate

Noun

acid m (plural acizi)

1. acid

Declension

Declension of acid

	singular		plural
	indefinite articulation	definite articulation	indefinite articulation	definite articulation
nominative/accusative	(un) acid	acidul	(niște) acizi	acizii
genitive/dative	(unui) acid	acidului	(unor) acizi	acizilor
vocative	acidule		acizilor

Derived terms

• acid dezoxiribonucleic

Further reading

• acid in DEX online—Dicționare ale limbii române (Dictionaries of the Romanian language)

Spanish

Adjective

acid (invariable)

1. (music) acid

Noun

acid m (uncountable)

1. (music) acid

Further reading

• “acid”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014