autochrome: Meaning and Definition of

au•to•chrome

Pronunciation: (ô'tu-krōm"), [key]
— n. Photog.
  1. a material once used for color photography, consisting of a photographic emulsion applied over a multicolored screen of minute starch grains dyed red, green, and blue-violet.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.