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heliography
he·li·o·graph H0131250 (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.heliography - Using a mirror to send a signal.See also related terms for mirror.heliography1. the measurement of the duration and intensity of sunlight.
2. the system or process of signaling by reflecting the sun’s rays in a mirror.
3. an early photographic process involving coated metal plates exposed to sunlight. — heliographer, n. — heliographic, heliographical, adj.See also: SunTranslationshéliographieeliografiafototipiaEncyclopediaSeeheliograph |