mental+retardation

One entry found for mental retardation.

Main Entry: mental retardation
Function: noun
: subaverage intellectual ability equivalent to or less than an IQ of 70 that is accompanied by significant deficits in abilities (as in communication or self-care) necessary for independent daily living, is present from birth or infancy, and is manifested especially by delayed or abnormal development, by learning difficulties, and by problems in social adjustment
- mentally retarded adjective