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photochromy

American

[foh-tuh-kroh-mee] / ˈfoʊ təˌkroʊ mi /

noun

a former technique of color photography.

Etymology

Origin of photochromy

First recorded in 1885–90; photo- + -chrome + -y ³

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.