Down's syndrome is a disorder that some people are born with. People who have Down's syndrome have physical differences,such as shorter stature, and learning difficulties.
Down's syndrome in British English
or US Down syndrome
noun
pathology
a.
a condition caused by the presence of an extra copy of chromosome 21 resulting in learning difficulties and physical differences, such as shorter stature
Former name (offensive): mongolism. Technical name: trisomy 21
b.
(as modifier)
a Down's syndrome baby
Word origin
C19: after John Langdon-Down (1828–96), English physician
In other languages
Down's syndrome
British English: Down's syndrome /daʊnz ˈsɪndrəʊm/ NOUN
Down's syndrome is a condition that some people are born with. People who have Down's syndrome have a flat forehead and sloping eyes and lower than average intelligence.