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infuscate

or in·fus·cat·ed

[in-fuhs-keyt, -kit or in-fuhs-key-tid]
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adjective Entomology.
  1. darkened with a fuscous or brownish tinge.

Origin of infuscate

1640–50; < Latin infuscātus past participle of infuscāre to darken, discolor. See in-2, fuscous, -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for infuscate

infuscate

infuscated

adjective
  1. (esp of the wings of an insect) tinged with brown

Word Origin

C17: from Latin infuscāre to darken, from fuscus dark
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