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View synonyms for mental retardation
mental retardation
[ men-tl ree-tahr-dey-shuhn ]
mental retardation
noun
- psychiatry the condition of having a low intelligence quotient (below 70)
mental retardation
- Below-average intellectual ability resulting from a genetic defect, brain injury, or disease, and usually present from birth or early infancy.
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Sensitive Note
See retarded.
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Word History and Origins
Origin of mental retardation1
First recorded in 1900–15
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