Definition of Down syndrome

1. Noun. A congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation.

Exact synonyms: Down's Syndrome, Mongolianism, Mongolism, Trisomy 21
Generic synonyms: Birth Defect, Congenital Abnormality, Congenital Anomaly, Congenital Defect, Congenital Disorder, Trisomy

Definition of Down syndrome

1. Noun. (chiefly US) Condition caused by a chromosomal excess, whereby the patients bear a certain resemblance to the mongoloid Mongoloid race, such as a small head and tilted eyelids. ¹

¹ Source: wiktionary.com

Medical Definition of Down syndrome

1. Trisomy 21, mongolism, atlantoaxial subluxation, Wormian bones, absent/small paranasal sinuses, endocardial cushion (AV canal) defects, aberrant right subclavian artery, 2 ossification centres for manubrium (90%), 11 or 13 ribs, duodenal atresia / stenosis, tracheo-oesophageal fistula, Hirschsprung disease (12 Dec 1998)

Lexicographical Neighbors of Down Syndrome

down in the heel
down in the heels
down in the mouth
down line
down on one's luck
down pat
down pat(p)
down payment
down payments
down promoter mutation
down quark
down quarks
down start
down style
down syndrome
down tack
down the banks
down the drain
down the hatch
down the line
down the road
down the road, not across the street
down the stairs
down the track
down the tube
down the tubes
down time
down to
down to a T

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