photoheliograph

[ foh-tuh-hee-lee-uh-graf, -grahf ]
/ ˌfoʊ təˈhi li əˌgræf, -ˌgrɑf /

noun Astronomy.

an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.

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Also called heliograph.

Origin of photoheliograph

First recorded in 1860–65; photo- + heliograph

OTHER WORDS FROM photoheliograph

pho·to·he·li·o·graph·ic [foh-tuh-hee-lee-uh-graf-ik], /ˌfoʊ təˌhi li əˈgræf ɪk/, adjectivepho·to·he·li·og·ra·phy [foh-tuh-hee-lee-og-ruh-fee], /ˌfoʊ təˌhi liˈɒg rə fi/, noun

Words nearby photoheliograph

photograph, photographer, photographic, photography, photogravure, photoheliograph, photoinactivation, photoinduced, photoionization, photoisomerization, photojournalism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020