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