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photoheliography

 - 1 dictionary result

pho⋅to⋅he⋅li⋅o⋅graph

  [foh-tuh-hee-lee-uh-graf, -grahf]
Use photoheliography in a Sentence
–noun Astronomy.
an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.
Also called heliograph.

Origin:
1860–65; photo- + heliograph

Related forms:
pho⋅to⋅he⋅li⋅o⋅graph⋅ic  [foh-tuh-hee-lee-uh-graf-ik] , adjective
pho⋅to⋅he⋅li⋅og⋅ra⋅phy  [foh-tuh-hee-lee-og-ruh-fee] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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