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photoheliograph

[foh-tuh-hee-lee-uh-graf, -grahf] /ˌfoʊ təˈhi li əˌgræf, -ˌgrɑf/
noun, Astronomy
1.
an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.
Also called heliograph.
Origin
1860-1865
1860-65; photo- + heliograph
Related forms
photoheliographic
[foh-tuh-hee-lee-uh-graf-ik] /ˌfoʊ təˌhi li əˈgræf ɪk/ (Show IPA),
adjective
photoheliography
[foh-tuh-hee-lee-og-ruh-fee] /ˌfoʊ təˌhi liˈɒg rə fi/ (Show IPA),
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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