Definition of dyslexia noun from the Oxford Advanced Learner's Dictionary



BrE BrE//dɪsˈleksiə//
; NAmE NAmE//dɪsˈleksiə//
[uncountable] Mental and emotional problems
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a slight disorder of the brain that causes difficulty in reading and spelling, for example, but does not affect intelligence See related entries: Mental and emotional problems Word Originlate 19th cent.: coined in German from dys- ‘difficult’ + Greek lexis ‘speech’ (apparently by confusion of Greek legein ‘to speak’ and Latin legere ‘to read’).
See the Oxford Advanced American Dictionary entry: dyslexia