noun
- A congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation.
- synonyms: mongolism, mongolianism, Down syndrome, trisomy 21
- A congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation.
- synonyms: mongolism, mongolianism, Down syndrome, trisomy 21
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). down's syndrome. Retrieved September 26, 2026, from http://smartdefine.org/down%27s_syndrome/definitions/1271285 |
| Chicago | WordNet. 2010. "down's syndrome" http://smartdefine.org/down%27s_syndrome/definitions/1271285 (accessed September 26, 2026). |
| Harvard | WordNet 2010, down's syndrome, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/down%27s_syndrome/definitions/1271285>. |
| MLA | WordNet. "down's syndrome" 23 October 2010. Web. 26 September 2026. <http://smartdefine.org/down%27s_syndrome/definitions/1271285> |