We found 28 dictionaries that define the word trisomy:

General (14 matching dictionaries)

1. trisomy: Merriam-Webster
2. trisomy: Oxford Learner's Dictionaries
3. trisomy: American Heritage Dictionary of the English Language
4. trisomy: Collins English Dictionary
5. trisomy: Vocabulary.com
6. Trisomy, trisomy: Wordnik
7. trisomy: Wiktionary
8. trisomy: Infoplease Dictionary
9. trisomy: Dictionary.com
10. Trisomy: Wikipedia, the Free Encyclopedia
11. trisomy: Rhymezone
12. trisomy: FreeDictionary.org
13. trisomy: Mnemonic Dictionary
14. trisomy: TheFreeDictionary.com

Computing (1 matching dictionary)

15. trisomy: Encyclopedia

Medicine (10 matching dictionaries)

16. trisomy: Merriam-Webster Medical Dictionary
17. Dorland's Illustrated Medical Dictionary (No longer online)
18. Trisomy: MedTerms.com Medical Dictionary
19. Medical Dictionary (No longer online)
20. Trisomy: MedFriendly Glossary
21. online medical dictionary (No longer online)
22. Health and Wellness Dictionary (No longer online)
23. Hypermedia Glossary Of Genetic Terms (No longer online)
24. trisomy: Medical dictionary
25. Trisomy: Drug Medical Dictionary

Science (2 matching dictionaries)

26. DOE Genome Glossary (No longer online)
27. Glossary of Genetic Terms (No longer online)

Slang (1 matching dictionary)

28. trisomy: Urban Dictionary

(Note: See trisomic as well.)

Definitions from Wiktionary (trisomy) ▸ noun:  (cytology) The presence of three copies, instead of the normal two, of a particular chromosome of an organism. Similar: triploidy, tetrasomy, tetrasomic, triplosensitivity, tetraploidism, disomy, trihybrid, diploidy, chromothripsis, autotriploidy, more... Opposite: monosomy, haploidy Types: trisomy 21, trisomy 18, trisomy 13, more... Phrases: partial trisomy, autosomal trisomy, trisomy syndrome, trisomy 21, trisomy 21 syndrome, more... Adjectives: partial, autosomal, fetal, complete, full, double, common, human, standard, regular, free Colors:     blue,     yellow,     pink,     green,     purple, more... ▸ Words similar to trisomy ▸ Usage examples for trisomy ▸ Idioms related to trisomy ▸ Wikipedia articles (New!) ▸ Popular adjectives describing trisomy ▸ Words that often appear near trisomy ▸ Rhymes of trisomy ▸ Invented words related to trisomy