heliograph

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he·li·o·graph

(hē′lē-ə-grăf′)

1. A device for transmitting messages by reflecting sunlight.

2. A device capable of imaging the surface and outer regions of the sun.

v. he·li·o·graphed, he·li·o·graph·ing, he·li·o·graphs

v.tr.

To send (a message) by heliograph.

v.intr.

To send a heliograph.

he′li·og′ra·pher (-ŏg′rə-fər) n.

he′li·o·graph′ic adj.

he′li·og′ra·phy (-ŏg′rə-fē) n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

heliograph

(ˈhiːlɪəʊˌɡrɑːf; -ˌɡræf)

1. (Navigation) an instrument with mirrors and a shutter used for sending messages in Morse code by reflecting the sun's rays

2. (Astronomy) a device used to photograph the sun

heliographer n

heliographic, ˌhelioˈgraphical adj

ˌheliˈography n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

he•li•o•graph

(ˈhi li əˌgræf, -ˌgrɑf)
n.

1. a device for signaling or sending messages by means of a movable mirror that reflects beams of light, esp. sunlight, over a distance.

2. an instrument for photographing the sun, consisting of a camera and specially adapted telescope.

v.t., v.i.

3. to communicate by heliograph.

[1815–25]

he`li•og′ra•pher (-ˈɒg rə fər) n.

he`li•o•graph′ic (-ˈgræf ɪk) adj.

he`li•o•graph′i•cal•ly, adv.

he`li•og′ra•phy, n.

heliograph

A system of sending signals by flashing sunlight from a mirror, used in the 1800s.

ThesaurusAntonymsRelated WordsSynonymsLegend:

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Noun	1.	heliograph - an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on apparatus, setup - equipment designed to serve a specific function
Verb	1.	heliograph - signal by means of a mirror and the using the sun's rays signal, signalise, signalize, sign - communicate silently and non-verbally by signals or signs; "He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu"

Translations

Heliogravüre

héliographe

eliografo

heliograph

[ˈhiːlɪəʊgrɑːf] N → heliógrafo m

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

heliograph

n → Heliograf m

vt → heliografisch übermitteln

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

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References in classic literature ?

It was a lieutenant and a couple of privates of the 8th Hus- sars, with a stand like a theodolite, which the artilleryman told me was a heliograph.

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Then a piece of mica, or a little pool, or even a highly-polished leaf will flash like a heliograph. But that day was cloudless and still.

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They had come there in the following manner: That morning we had been heliographed to reinforce the C.M.R., only to find that the enemy had the range to a nicety when we reached the spot.

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From 1915 onwards non-telecommunications systems of signalling such as the heliograph and Lucas lamp were used in parallel with and as a backup to telegraph and telephones.

Former 'van lad' died as a result of trench fever; Passed away at home after being discharged

During the experiment, meteorological variables were measured by an automatic stations with the following sensors: PAR radiation (LI-COR) at 2 m height from the soil, wind speed and direction (anemometer, 03002-L RM Young) at 10 m height, psychrometer with thermometer shelter (Vaisala, CS 215) at 2 m height, pluviograph (TE 525) at 1.5 m height and heliograph. Data acquisition was carried out using a CR1000 datalogger operating at 1 Hz frequency and storing means of 300 readings or 5 min.

Evapotranspiration and water response function of squash cv. 'Italiana' under different cultivation conditions/Evapotranspiracao e funcao de resposta hidrica da abobrinha cv. Italiana em diferentes condicoes de cultivo

Declared ICPs are the Querubin House in Caoayan, Ilocos Sur; Nueva Vizcaya Old Provincial Capitol Building in Bayombong; Heliograph Towers in Magalang, Pampanga; Nuestra Senora de la Asuncion Church in Bulakan, Bulacan; White Cross Building Complex in San Juan City; Pao Ong Hu Taoist Temple and Manila Boat Club Building in Santa Ana;

Intramuros monuments, Vigan bridge, Silang church, Pagsanjan arch declared National Cultural Treasures

'+' marks the position of a heliograph station on the pyramid

Pictures of Holy Land come to light and tell their own wartime tale; Thousands of previously unpublished images of Egypt and Palestine taken during the First World War have been unearthed by researchers in Cardiff. Tom Houghton reports..

Data from a heliograph installed at the Pelotas Agroclimatic Station were used, approximately 2.5 km from the experimental area.

Solar radiation absorption according to the tree crown conduction and the effects on peach cultivars production

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