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aperture stop
Apex
apex
Apgar score
aphaeresis
aphagia
aphakia
aphanite
aphasia
aphelandra
aphelion
apheresis
aphesis
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aphonia
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aphasia

a·pha·sia [ ə fáyee ə, ə fáyə ] (plural a·pha·sias)


noun 
Definition:
 
lack of language abilities: the partial or total inability to produce and understand speech as a result of brain damage caused by injury or disease

[Mid-19th century. < Greek< aphatos "speechless" < phanai "speak"]

a·pha·sic [ ə fáyzik ] adjective
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