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apatetic

American  
[ap-uh-tet-ik] / ˌæp əˈtɛt ɪk /

adjective

Zoology.
  1. assuming colors and forms that effect deceptive camouflage.


apatetic British  
/ ˌæpəˈtɛtɪk /

adjective

  1. of or relating to coloration that disguises and protects an animal

"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

Etymology

Origin of apatetic

1885–90; < Greek apatētikós fallacious, equivalent to apatē- (variant stem of apateúein to deceive) + -tikos -tic