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dyslexia

[dis-lek-see-uh] /dɪsˈlɛk si ə/
noun, Pathology
1.
any of various reading disorders associated with impairment of the ability to interpret spatial relationships or to integrate auditory and visual information.
Origin of dyslexia
1885-1890
1885-90; < New Latin < Greek dys- dys- + léx(is) word + -ia -ia
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for dyslexia

dyslexia

/dɪsˈlɛksɪə/
noun
1.
a developmental disorder which can cause learning difficulty in one or more of the areas of reading, writing, and numeracy Nontechnical name word blindness
Derived Forms
dyslectic (dɪsˈlɛktɪk) adjective, noun
dyslexic, adjective
Usage note
Rather than talking about a person being dyslexic or about dyslexics, it is better to talk about a person with dyslexia, people with dyslexia
Word Origin
from dys- + -lexia from Greek lexis word
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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Word Origin and History for dyslexia
n.

c.1887, from German dyslexie (1883), from Greek dys- "bad, abnormal, difficult" (see dys-) + lexis "word," from legein "speak" (see lecture (n.)). Dyslexic (n.) is first recorded 1961; dyslectic (adj.) from 1964.

Online Etymology Dictionary, © 2010 Douglas Harper
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dyslexia in Medicine

dyslexia dys·lex·i·a (dĭs-lěk'sē-ə)
n.
A learning disorder marked by impairment of the ability to recognize and comprehend written words.


dys·lec'tic (-lěk'tĭk) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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dyslexia in Science
dyslexia
  (dĭs-lěk'sē-ə)   
A learning disability marked by impairment of the ability to recognize and comprehend written words.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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dyslexia in Culture
dyslexia [(dis-lek-see-uh)]

Difficulty in reading when experienced by persons with normal vision and normal or above-normal intelligence. A common example of dyslexia is reading words with the letters in reverse order, as in fyl for fly.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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19
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