• synonyms


[foh-tuh-hee-lee-uh-graf, -grahf]
See more synonyms for photoheliograph on Thesaurus.com
noun Astronomy.
  1. an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.
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Origin of photoheliograph

First recorded in 1860–65; photo- + heliograph
Also called heliograph.
Related formspho·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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018