heliograph

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

Roots

helioshelio- · Greek · sun grapheingraph- · Greek · to write or record

Synonyms & related words for heliograph

Find synonyms, related words, and the definition of heliograph. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to heliograph

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

Where does heliograph come from?

The word heliograph breaks down into 2 roots of Greek origin: helio, from Greek helios (“sun”); and graph, from Greek graphein (“to write or record”). Explore each root to see other English words built from the same source.