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A change in color caused by variation of the physical conditions to which a body is subjected, especially such a change caused by variation in temperature.
met′a·chro·mat′ic (-măt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biology) a change in colour, esp when caused by a change in temperature
[C19: from meta- + chromato- + -ism]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
change in color, especially as a result of change in temperature.See also: Color
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