agrammatism

agrammatism
/ay gram"euh tiz'euhm, euh gram"-/, n. Pathol.
a type of aphasia, usually caused by cerebral disease, characterized by an inability to construct a grammatical or intelligible sentence while retaining the ability to speak single words. Also called agrammaphasia /ay gram'euh fay"zheuh, -zee euh, euh gram"-/, agrammatica /ag'reuh mat"i ka/, agrammatologia /ay gram'euh tl oh"jee euh, euh gram'-/.
[1880-85; < Gk agrámmat(os) illiterate (a- A-6 + grammat- (s. of grámma letter) + -os adj. suffix) + -ISM]

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