Search Result for "down syndrome":
Wordnet 3.0

NOUN (1)

1. a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation;
[syn: mongolism, mongolianism, Down's syndrome, Down syndrome, trisomy 21]


The Collaborative International Dictionary of English v.0.48:

Down syndrome \Down" syn`drome\, Down's syndrome \Down's" syn`drome\, n. (Med.) A congenital disorder caused by an extra chromosome 21 in some or all cells. It causes a variable number and degree of abnormalities, including retarded growth, mental retardation, a short nose, prominent epicanthic folds on the eyelids, a protruding lower lip, and other physical features having varying degrees of deviation from the normal. Called also mongolism, trisomy-21 and trisomy 21 syndrome. [PJC]
WordNet (r) 3.0 (2006):

Down syndrome n 1: a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation [syn: mongolism, mongolianism, Down's syndrome, Down syndrome, trisomy 21]