Dictionary

trisomy

noun tri·so·my \ˈtrī-ˌsō-mē\
plural tri·so·mies

Definition of TRISOMY

:  the condition (as in Down syndrome) of having one or a few chromosomes triploid in an otherwise diploid set
tri·so·mic \(ˌ)trī-ˈsō-mik\ adjective or noun
ADVERTISEMENT

Origin of TRISOMY

tri- + 3-some + 2-y
First Known Use: 1930
Medical Dictionary

trisomy

noun tri·so·my \ˈtrī-ˌsō-mē\
plural tri·so·mies

Medical Definition of TRISOMY

:  the condition (as in Down syndrome) of having one or a few chromosomes triploid in an otherwise diploid set

Browse

Next Word in the Dictionary: trisomy 21Previous Word in the Dictionary: trisomeAll Words Near: trisomy
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears