mental retardation
[ men-tl ree-tahr-dey-shuhn ]
noun
Older Use. intellectual disability.
Origin of mental retardation
1First recorded in 1900–15
usage note For mental retardation
See retarded.
Words Nearby mental retardation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for mental retardation
mental retardation
noun
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
Below-average intellectual ability resulting from a genetic defect, brain injury, or disease, and usually present from birth or early infancy.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Browse