meniscus: difference between revisions

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{{trans-top|either of two parts of the human knee}}
{{trans-top|either of two parts of the human knee}}
* Arabic: {{t|ar|هِلَالَة|f}}
* Belarusian: {{t|be|мені́ск|m}}
* Bulgarian: {{t+|bg|мени́скус|m}}
* Catalan: {{t+|ca|menisc|m}}
* Catalan: {{t+|ca|menisc|m}}
* Chinese:
* Chinese:
Line 59: Line 62:
* Finnish: {{t+|fi|nivelkierukka}}
* Finnish: {{t+|fi|nivelkierukka}}
* French: {{t+|fr|ménisque|m}}
* French: {{t+|fr|ménisque|m}}
* German: {{t+|de|Meniskus|m}}
* Italian: {{t+|it|menisco|m}}
* Italian: {{t+|it|menisco|m}}
* Japanese: {{t|ja|半月板|tr=はんげつばん, hangetsuban}}
* Japanese: {{t|ja|半月板|tr=はんげつばん, hangetsuban}}

Revision as of 12:36, 18 July 2023

English

A: The bottom of a concave meniscus.
B: The top of a convex meniscus.
Notional section through Meniscus lens, showing it to be concavo-convex, with a positive focus because it is thicker in the middle than the edge
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Etymology

From Ancient Greek μηνίσκος (mēnískos, crescent), from μήνη (mḗnē, moon).

Pronunciation

  • Lua error in Module:parameters at line 360: Parameter 1 should be a valid language or etymology language code; the value "UK" is not valid. See WT:LOL and WT:LOL/E. IPA(key): /mə.ˈnɪs.kəs/, /mɛ.ˈnɪs.kəs/
  • Audio (US):(file)
  • Audio (AU):(file)

Noun

meniscus (plural meniscuses or menisci)

  1. A crescent moon, or an object shaped like it. [from 17th c.]
    • 1959, Anthony Burgess, Beds in the East (The Malayan Trilogy), published 1972, page 554:
      And from Crabbe's own forehead sweat dripped or gathered into a kind of meniscus to be scooped off.
    • 1972, Vladimir Nabokov, Transparent Things, McGraw-Hill, published 1972, page 19:
      He opened wide both casements; they gave on a parking place four floors below; the thin meniscus overhead was too wan to illumine the roofs of the houses descending toward the invisible lake [...].
  2. (optics) A lens which is convex on one side and concave on the other, being crescent-shaped in cross-section. [from 17th c.]
  3. The curved surface of liquids in tubes, whether concave or convex, caused by the surface tension of the liquid. [from 19th c.]
  4. (anatomy) Either of two parts of the human knee that provide structural integrity to the knee when it undergoes tension and torsion. [from 19th c.]

Derived terms

Translations

See also