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down syndrome is a noun meaning "a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation". It carries one recorded sense.
a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
Definitions, synonyms and semantic relations for down syndrome come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.