mongolianism
1. [ noun ] (medicine,psychology) a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
Synonyms: Down's_syndrome Down_syndrome trisomy_21 mongolism
Related terms: birth_defect trisomy retardation
Similar spelling:   mongolism
  Mongolian
  Mongolian_race
  mongoloid
  mongol_dynasty