mongolianism

Noun mongolianism has 1 sense

• mongolianism(n = noun.state) down syndrome, down's syndrome, mongolism, trisomy 21 - a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation;
is a kind of birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder, trisomy