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Dictionary


pho•tot•o•nus



Pronunciation: (fō-tot'n-us), [key]
n. Biol.
1. the normal condition of sensitiveness to light in organisms or their organs.
2. the irritability exhibited by cytoplasm when exposed to light of a certain intensity.

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

photothermicphototopography

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