heliograph


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he·li·o·graph

 (hē′lē-ə-grăf′)
n.
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.

heliograph

(ˈhiːlɪəʊˌɡrɑːf; -ˌɡræf)
n
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

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:
Noun1.heliograph - an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and onheliograph - 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
Verb1.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
héliographe

heliograph

[ˈhiːlɪəʊgrɑːf] Nheliógrafo m

heliograph

nHeliograf m
vtheliografisch übermitteln
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.
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.
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.
NORDIC BUSINESS REPORT-September 4, 2019-Glunz & Jensen Holding reports on share purchase by Heliograph
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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.
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.
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;
Data from a heliograph installed at the Pelotas Agroclimatic Station were used, approximately 2.5 km from the experimental area.