[ aw-tuh-krohm ]
/ ˈɔ təˌkroʊm /

noun Photography.

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.

Origin of autochrome

First recorded in 1905–10; auto-1 + -chrome Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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