mental retardation

[ men-tl ree-tahr-dey-shuhn ]
See synonyms for mental retardation on Thesaurus.com
noun

Origin of mental retardation

1
First recorded in 1900–15

usage note For mental retardation

See retarded.

Words Nearby mental retardation

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British Dictionary definitions for mental retardation

mental retardation

noun
  1. psychiatry the condition of having a low intelligence quotient (below 70)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for mental retardation

mental retardation

  1. 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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