trisomy 21

tri·so·my 21

noun \ˈtrī-ˌsō-mē-ˌtwen-tē-ˈwən\

Definition of TRISOMY 21

Origin of TRISOMY 21

from the occurrence of trisomy in chromosome 21 of persons with Down syndrome
First Known Use: 1961

trisomy 21

noun \-ˌtwent-ē-ˈwən\   (Medical Dictionary)

Medical Definition of TRISOMY 21


Next Word in the Dictionary: trisplanchnic
Previous Word in the Dictionary: trisomy
All Words Near: trisomy 21

Seen & Heard

What made you want to look up trisomy 21? Please tell us where you read or heard it (including the quote, if possible).