- a disorder, as dyslexia, usually affecting school-age children of normal or above-normal intelligence, characterized by difficulty in understanding or using spoken or written language, and thought to be related to impairment or slowed development of perceptual motor skills.
Origin of learning disability
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A disorder in the basic cognitive and psychological processes involved in using language or performing mathematical calculations, affecting persons of normal intelligence, and not the result of emotional disturbance or impairment of sight or hearing.learning disorder
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Any of various disabilities of the basic cognitive and psychological processes involved in using language or performing mathematical calculations. Learning disabilities are not caused by low intelligence, emotional disturbance, or physical impairment (as of hearing). Dyslexia is a common learning disability.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.