heliographs

noun

an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on

verb

signal by means of a mirror and the using the sun's rays

Synonyms & related words for heliographs

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Words related to heliographs

Explore words related to heliographs — words associated with it, words that go with it, and its nearest matches in meaning. Related words include heliographer, heliography, heliographic, photoheliograph, heliogram, spectroheliograph, photophonic, photophone. Click any word to make it the center of the map and keep exploring the web of connections.