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Definition 2024


Down_syndrome

Down syndrome

English

A father and his son with Down syndrome

Alternative forms

Proper noun

Down syndrome

  1. (neurology, chiefly US) A medical condition caused by a chromosomal excess, whereby the patients bear a certain resemblance to the Mongoloid race, such as a small head and tilted eyelids, and typically have a delay in cognitive ability and physical growth. [from 1961.]

Synonyms

Usage notes

The condition is known only as Down's syndrome in the UK.

Translations