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View synonyms for heliograph
heliograph
[ hee-lee-uh-graf, -grahf ]
noun
- a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- Astronomy. photoheliograph.
- Meteorology. an instrument for recording the duration and intensity of sunshine.
- Photography, Printing. an early type of photoengraving made on a metal plate coated with sensitized asphalt.
verb (used with or without object)
- to communicate by heliograph.
heliograph
/ -ˌɡræf; ˌhiːlɪˈɒɡrəfə; ˈhiːlɪəʊˌɡrɑːf; ˌhiːlɪəʊˈɡræfɪk /
noun
- an instrument with mirrors and a shutter used for sending messages in Morse code by reflecting the sun's rays
- a device used to photograph the sun
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Derived Forms
- ˌheliˈography, noun
- heliographic, adjective
- heliographer, noun
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Other Words From
- he·li·og·ra·pher [hee-lee-, og, -r, uh, -fer], noun
- he·li·o·graph·ic [hee-lee-, uh, -, graf, -ik], heli·o·graphi·cal adjective
- heli·o·graphi·cal·ly adverb
- heli·ogra·phy noun
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Word History and Origins
Origin of heliograph1
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Example Sentences
We bivouacked at Granaatz Plaatz farm that night, whence the heliograph winked the news of our engagement to our camp.
From Project Gutenberg
Instantly, the ship shone like the polished mirror of a heliograph.
From Project Gutenberg
The Hussars left behind a Colt-Maxim and a heliograph for our usage.
From Project Gutenberg
Very often these heliograph stations are located on mountain tops in the midst of extremely inaccessible country.
From Project Gutenberg
Of course it is all prearranged who should be notified in case a fire is reported to the heliograph man.
From Project Gutenberg
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