metachrosis

noun

zoology the ability of some animals, such as chameleons, to change their colour

Word Origin for metachrosis

C19: from meta- + Greek khrōs colour

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

Examples from the Web for metachrosis

Historical Examples of metachrosis

The following description of metachrosis in seven specimens from the Ro Claro illustrates the change.
Descriptions of New Hylid Frogs From Mexico and Central America
William E. Duellman