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Meaning of photogelatin

pho•to•gel•a•tin

Pronunciation: (fō"tu-jel'u-tin, -u-tn), [key]
— adj.
  1. pertaining to any photographic process in which gelatin is used to receive or transfer a print.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.