Down syndrome
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Down syndrome
- /daʊn ˈsɪndɹəʊm/ UK
- /daʊn ˈsɪndɹoʊm/ US
- /-dɹəm/ US
Where it comes from
Named after English physician John Langdon Haydon Down (1828–1896), who first described the condition as a distinct form of mental disability in the 1860s.
noun Down’s syndrome
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A genetic disorder caused by the presence of all or part of a third copy of chromosome 21 (a chromosomal excess), whereby the patients typically have a delay in cognitive ability and physical growth, as well as a small head and tilted eyelids.
Similar: Down's, mongolism, Mongolian idiocy, trisomy 21
Translations
Every language
noun genetic disorder caused by a chromosomal excess
| Español | síndrome de Down |
|---|---|
| 한국어 | 다운 증후군 daun jeunghugun |
| 日本語 | ダウン症 Daun-shō |
| 中文 | 唐氏綜合症 /唐氏综合症 Tángshì zōnghézhèng, 唐氏症 Tángshìzhèng, 先天性愚型 xiāntiānxìng yúxíng, 蒙古症 Ménggǔzhèng |
| हिन्दी | डाउन सिंड्रोम ḍāun siṇḍrom |
| Português | síndrome de Down |
| Français | syndrome de Down, trisomie 21 |
| Deutsch | Downsyndrom, Down-Syndrom, Trisomie 21, Mongolismus |
| Italiano | sindrome di Down |
| Ελληνικά | σύνδρομο Down sýndromo Down |
| Русский | синдром Дауна sindrom Dauna |
| Tiếng Việt | hội chứng Down |
| العربية | مُتَلَازِمَة دَاوْن |
| עברית | תסמונת דאון \ תִּסְמֹנֶת דָּאוּן tismónet daun |
Talk about this word "Down syndrome." Wiktionary, via Micwyn, micwyn.com/word/down%20syndrome. Accessed 6 Nov. 2026. Down syndrome. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/down%20syndrome "Down syndrome." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/down%20syndrome.Cite this
@misc{down_syndrome_2026,
title = {Down syndrome},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/down%20syndrome},
urldate = {2026-11-06}
}