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prosopagnosia

/ (ˌprɒsəpæɡˈnəʊszɪə) /
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noun
an inability to recognize faces
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Word Origin for prosopagnosia

C20: from Greek prosōpon face + agnosia
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

Medical definitions for prosopagnosia

prosopagnosia
[ prŏs′ə-păg-nōzhə, -zē-ə ]

n.
An inability or difficulty in recognizing familiar faces; it may be congenital or result from injury or disease of the brain.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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