Down’s syndrome
noun/ˈdaʊnz sɪndrəʊm/
/ˈdaʊnz sɪndrəʊm/
(also Down's)
(both especially British English) (North American English usually Down syndrome)
[uncountable]- a medical condition that some people are born with, caused by a fault with one chromosome, which results in learning disabilities
- Her older brother has Down's syndrome.
- Your chance of having a baby with Down's increases with age.
Word Origin1960s: named after John L. H. Down (1828–96), the English physician who first described it.
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Down’s syndrome