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.
Nearby words
photograph, photographer, photographic, photography, photogravure, photoheliograph, photoinactivation, photoinduced, photoionization, photoisomerization, photojournalism
Origin of photoheliograph
Also called heliograph.
Related forms
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/, nounDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019