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English Dictionary
▪ down the stairs▪ down town▪ down's syndrome▪ down-and-out▪ down-bow
◊ down's syndrome
Down's syndrome
n : 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}]