trisomy

2 ENTRIES FOUND:

tri·so·my

noun \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

Origin of TRISOMY

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

tri·so·my

noun \ˈtrī-ˌsō-mē\   (Medical Dictionary)
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

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