autochrome

[aw-tuh-krohm]
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:
1905–10; auto-1 + -chrome

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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The art of the autochrome: the birth of color photography.
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