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trisomy

play
noun, tri·so·my \ˈtrī-ˌsō-mē\

Definition of trisomy

plural trisomies

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

trisomic play \(ˌ)trī-ˈsō-mik\ adjective or noun


Origin of trisomy

tri- + 3-some + 2-y


First Known Use: 1930


Medical Dictionary

trisomy

play
noun tri·so·my \ˈtrī-ˌsō-mē\

Medical Definition of trisomy

plural trisomies

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




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