trisomy
noun
tri·so·my
ˈtrī-ˌsō-mē 
plural trisomies
: the condition (as in Down syndrome) of having one or a few chromosomes triploid in an otherwise diploid set
Examples of trisomy in a Sentence
Recent Examples on the Web
Rare genetic conditions: These may include Edwards’ syndrome (trisomy 18) or Patau’s syndrome (trisomy 13).
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Julie Marks, Verywell Health, 1 July 2024
Cox, 20 weeks pregnant when the legal fight began, found out her baby was diagnosed with full trisomy 18 after multiple trips to the emergency room and further testing.
—Tribune News Service, Hartford Courant, 24 June 2024
Cox's fetus was diagnosed with trisomy 18, a condition described as incompatible with life.
—Emily Chang, ABC News, 24 June 2024
This is simply a thorough ultrasound (it's often done in combination with the NIPT blood test) that screens for different markers of Down syndrome, trisomy 13, trisomy 18, and other chromosomal abnormalities.
—Christin Perry, Parents, 6 May 2024
See all Example Sentences for trisomy 
Julie Marks, Verywell Health, 1 July 2024
Cox, 20 weeks pregnant when the legal fight began, found out her baby was diagnosed with full trisomy 18 after multiple trips to the emergency room and further testing.
—Tribune News Service, Hartford Courant, 24 June 2024
Cox's fetus was diagnosed with trisomy 18, a condition described as incompatible with life.
—Emily Chang, ABC News, 24 June 2024
This is simply a thorough ultrasound (it's often done in combination with the NIPT blood test) that screens for different markers of Down syndrome, trisomy 13, trisomy 18, and other chromosomal abnormalities.
—Christin Perry, Parents, 6 May 2024
See all Example Sentences for trisomy
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'trisomy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Trisomy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trisomy. Accessed 26 Jul. 2024.
Copy CitationMedical Definition
trisomy
noun
tri·so·my
ˈtrī-ˌsō-mē
plural trisomies
: the condition (as in Down syndrome) of having one or a few chromosomes triploid in an otherwise diploid set
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