Hypertext Webster Gateway: "aphasia"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Aphasia \A*pha"si*a\, Aphasy \Aph"a*sy\, n. [NL. aphasia, Gr. ?,
fr. ? not spoken; 'a priv. + ? to speak: cf. F. aphasie.]
(Med.)
Loss of the power of speech, or of the appropriate use of
words, the vocal organs remaining intact, and the
intelligence being preserved. It is dependent on injury or
disease of the brain.
From WordNet (r) 1.7 (wn)
aphasia
n : inability to use or understand language (spoken or written)
because of a brain lesion
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