metachromatism

[ met-uh-kroh-muh-tiz-uh m ]
/ ˌmɛt əˈkroʊ məˌtɪz əm /

noun

change of color, especially that due to variation in the temperature of a body.

Origin of metachromatism

First recorded in 1875–80; meta- + chromat- + -ism

Related forms

met·a·chro·mat·ic [met-uh-kroh-mat-ik, -kruh-] /ˌmɛt ə kroʊˈmæt ɪk, -krə-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for metachromatic (1 of 2)

metachromatic

/ (ˌmɛtəkrəʊˈmætɪk) /

adjective

(of tissues and cells stained for microscopical examination) taking a colour different from that of the dye solution
(of dyes) capable of staining tissues or cells a colour different from that of the dye solution
of or relating to metachromatism

British Dictionary definitions for metachromatic (2 of 2)

metachromatism

/ (ˌmɛtəˈkrəʊməˌtɪzəm) /

noun

a change in colour, esp when caused by a change in temperature

Word Origin for metachromatism

C19: from meta- + chromato- + -ism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for metachromatic (1 of 2)

metachromatic

[ mĕt′ə-krō-mătĭk ]

adj.

Of or relating to metachromasia.
Relating to the property of certain chemical substances to appear as different colors depending upon the wavelength of light under which they are viewed.

Medicine definitions for metachromatic (2 of 2)

metachromatism

[ mĕt′ə-krōmə-tĭz′əm ]

n.

Metachromasia.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.