'dyslexia' definitions:

Definition of 'dyslexia'

(from WordNet)
noun
Impaired ability to learn to read

Definition of 'dyslexia'

From: GCIDE
  • dyslexia \dys*lex"i*a\ (d[i^]s*l[e^]ks"[-e]*[.a]) n. Any of various reading disorders caused by a damaged or congenitally faulty structure within the central nervous system, and causing an impairment of the ability to interpret spatial relationships or to integrate auditory and visual information. A common example is when letter sequences are interpreted as inverted in order, as in bat/tab. --RHUD [PJC]