Down syndrome

Down′ or Down's syndrome
n.
pat a genetic disorder associated with the presence of an extra chromosome 21, characterized by mental retardation, weak muscle tone, and epicanthic folds at the eyelids
Formerly, mongolism Also called trisomy 21 Etymology: 1960–65; after John L. H. Down (1828–96), British physician

From formal English to slang. 2014.

Look at other dictionaries:

  • 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… …   The Collaborative International Dictionary of English

  • Down syndrome — [doun] n. [after J. L. H. Down (1828 96), Brit physician] a congenital condition characterized by abnormal chromosomes, mental deficiency, a broad face, slanting eyes, a short fifth finger, etc.; Mongolism: also called Down s syndrome …   English World dictionary

  • Down syndrome — Down syndrome. См. болезнь Дауна. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Down syndrome — Down ,syndrome noun uncount a medical condition that someone is born with, that makes them develop mentally and physically in a different way from most people …   Usage of the words and phrases in modern English

  • Down syndrome — Classification and external resources Boy with Down syndrome assembling a …   Wikipedia

  • Down syndrome — A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome causes mental retardation, a characteristic face, and multiple malformations. Down syndrome is a relatively common birth defect. The chromosome… …   Medical dictionary

  • Down syndrome — Pathol. a genetic disorder, associated with the presence of an extra chromosome 21, characterized by mild to severe mental retardation, weak muscle tone, a low nasal bridge, and epicanthic folds at the eyelids. Also, Down s syndrome. Formerly,… …   Universalium

  • Down syndrome — noun 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, ↑trisomy 21 • Hypernyms: ↑trisomy, ↑birth defect, ↑ …   Useful english dictionary

  • Down syndrome — Down s syndrome …   The new mediacal dictionary

  • Down syndrome — /ˈdaʊn sɪndroʊm / (say down sindrohm) noun a genetic condition resulting from a third chromosome on the 21st chromosomal pairing, characterised by varying degrees of intellectual and physical impairment. Also, Down s syndrome. {from John Langdon… …   Australian English dictionary


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