image/svg+xml
Open English Wordnet
Options ▼
(n)
mongolism
,
mongolianism
,
Down's syndrome
,
Down syndrome
,
trisomy 21
a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
MORE ▶
Download As:
JSON
RDF/XML
Turtle
XML