chromosomal deficiency, whereby the patients bear a certain resemblance to the Mongoloid race, such as a small head and tilted eyelids.' name='description'> Down's syndrome - definition and meaning
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Down's syndrome

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chiefly UK, Canada Condition caused by a chromosomal deficiency, whereby the patients bear a certain resemblance to the Mongoloid race, such as a small head and tilted eyelids.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Named after John L.H. Langdon-Down (1828-1896), an English physician who described it in the late 1800s. The term was first used in 1961.

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Examples

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synonyms (1)

Words with the same meaning

  1. trisomy 21

hypernyms (6)

Words that are more generic or abstract

  1. birth defect
  2. congenital abnormality
  3. congenital anomaly
  4. congenital defect
  5. congenital disorder
  6. trisomy

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