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metachromatism

[met-uh-kroh-muh-tiz-uh m]
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noun
  1. change of color, especially that due to variation in the temperature of a body.
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Origin of metachromatism

First recorded in 1875–80; meta- + chromat- + -ism
Related formsmet·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. 2018

British Dictionary definitions for metachromatism

metachromatism

noun
  1. a change in colour, esp when caused by a change in temperature
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Word Origin

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

metachromatism in Medicine

metachromatism

(mĕt′ə-krōmə-tĭz′əm)
n.
  1. Metachromasia.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.