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[uh-lek-see-uh] /əˈlɛk si ə/
noun, Pathology.
a neurologic disorder marked by loss of the ability to understand written or printed language, usually resulting from a brain lesion or a congenital defect.
Also called word blindness.
Origin of alexia
1875-80; a-6 + Greek léx(is) speech (leg- stem of légein to speak + -sis -sis) + -ia; altered meaning by association of -lex- with lexicon, etc. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for alexia


a disorder of the central nervous system characterized by impaired ability to read Nontechnical name word blindness Compare aphasia
Word Origin
C19: from New Latin, from a-1 + Greek lexis speech; influenced in meaning by Latin legere to read
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
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alexia in Medicine

alexia a·lex·i·a (ə-lěk'sē-ə)
Loss of the ability to comprehend the meaning of written or printed words and sentences, usually caused by brain lesions. Also called text blindness, visual aphasia, word blindness.

a·lex'ic adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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