a disability, as mental retardation or cerebral palsy, that begins at an early age and continues indefinitely, leading to substantial handicap.
Florence Nightingale EffectRead more in this article about some frequently asked questions and fun facts related to our definitions.
Do bilingual babies actually have more brain power?A recent study led by Janet Werker, a psychologist at Vancouver’s University of British Columbia, suggests that children who learn two languages at once may have increased cognitive abilities such as enhanced visual and auditory sensitivity. While Werker does not believe that a person must grow up in a bilingual environment to gain such advantages, the study suggests that it can’t hurt. Werker studied both …
- developmental age,
- developmental anatomy,
- developmental anomaly,
- developmental biology,
- developmental disorder,
- developmental groove,
- developmental psychology,
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A cognitive, emotional, or physical impairment, especially one related to abnormal sensory or motor development, that appears in infancy or childhood and involves a failure or delay in progressing through the normal developmental stages of childhood.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
[ dĭ-vĕl′əp-mĕn′tl ]
A mental or physical disability, such as cerebral palsy or mental retardation, that is present during childhood, interferes with normal physical, intellectual, or emotional development, and usually lasts throughout life.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.