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pho•to•he•li•o•graph



Pronunciation: (fō"tu-hē'lē-u-graf", -gräf"), [key]
n. Astron.
an instrument for photographing the sun, consisting of a camera and a specially adapted telescope. Also called heliograph.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

photogravurephotoinduced

 

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