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down feather |
down in the mouth |
down pat |
down payment |
down quark |
down syndrome
| down the drain
| down the stairs
| down town
| down under
| down's syndrome
down syndrome
WORDNET DICTIONARY
Noun down syndrome has 1 sense
- down syndrome(n = noun.state) down's syndrome, mongolianism, mongolism, trisomy 21 - a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation; Array is a kind of birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder, trisomy
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