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language acquisition device

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language acquisition device

–noun Psycholinguistics.
a hypothesized innate mental faculty present in infants that enables them to construct and internalize the grammar of their native language on the basis of the limited and fragmentary language input to which they are exposed. Abbreviation: LAD

Origin:
1960–65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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