/ dɪsˈleksiə; NAmE / noun
[ U ] a slight disorder of the brain that causes difficulty in reading and spelling, for example, but does not affect intelligence
► dys·lex·ic / dɪsˈleksɪk; NAmE / adjective :
He's dyslexic.
► dys·lex·ic noun :
Writing courses for dyslexics.
••
WORD ORIGIN
late 19th cent.: coined in German from dys- difficult + Greek lexis speech (apparently by confusion of Greek legein to speak and Latin legere to read).