Word.ws English Dictionary

trisomy 21

trisomy 21 noun: the presence of three copies of the 21st chromosome in the karyotype.

Noun

trisomy 21 (uncountable)

  1. (medical genetics) The presence of three copies of the 21st chromosome in the karyotype.
    Synonyms:
    Down syndrome

Synonyms of trisomy 21

Questions about trisomy 21

What does trisomy 21 mean?
Trisomy 21 means the presence of three copies of the 21st chromosome in the karyotype.
What part of speech is trisomy 21?
Trisomy 21 is a noun.

Words near trisomy 21 in the dictionary

  1. trisomic
  2. trisomics
  3. trisomies
  4. trisomy
  5. trisomy 18
  6. trisomy 21
  7. trisomy X
  8. trispast
  9. trispaston
  10. trispasts
  11. trispecific

Source and license

Adapted from Wiktionary: trisomy 21 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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