We found 30 dictionaries that define the word thymine:

General (16 matching dictionaries)

1. thymine: Merriam-Webster
2. thymine: Oxford Learner's Dictionaries
3. thymine: American Heritage Dictionary of the English Language
4. thymine: Collins English Dictionary
5. thymine: Vocabulary.com
6. thymine: Wordnik
7. thymine: Wiktionary
8. thymine: Webster's New World College Dictionary, 4th Ed.
9. thymine: The Wordsmyth English Dictionary-Thesaurus
10. thymine: Infoplease Dictionary
11. thymine: Dictionary.com
12. Thymine: Wikipedia, the Free Encyclopedia
13. thymine: Rhymezone
14. thymine: FreeDictionary.org
15. thymine: Mnemonic Dictionary
16. thymine: TheFreeDictionary.com

Computing (1 matching dictionary)

17. thymine: Encyclopedia

Medicine (9 matching dictionaries)

18. thymine: Merriam-Webster Medical Dictionary
19. Dorland's Illustrated Medical Dictionary (No longer online)
20. Thymine (T): MedTerms.com Medical Dictionary
21. online medical dictionary (No longer online)
22. Hypermedia Glossary Of Genetic Terms (No longer online)
23. AIDS Medical Glossary and Drug Chart (No longer online)
24. Glossary of HIV/AIDS Related Terms (No longer online)
25. thymine: Medical dictionary
26. Thymine (T): Drug Medical Dictionary

Science (4 matching dictionaries)

27. Drug Discovery and Development (No longer online)
28. DOE Genome Glossary (No longer online)
29. Glossary of Genetic Terms (No longer online)
30. Anthropology dictionary (No longer online)

(Note: See thymines as well.)

Definitions from Wiktionary (thymine) ▸ noun:  (organic chemistry, genetics) A heterocyclic base, 5-methylpyrimidine-2,4(1H,3H)-dione; it pairs with adenine in DNA. Similar: homothymine, pyrimidine, deoxythymine, thymidine, thymidyl, adenine, thymidylic acid, cytosine, deoxythymidine, pyramidine, more... Opposite: uracil, uridine, uracil nucleotide, uracil base Types: nucleobase, nitrogenous base, purine, pyrimidine, more... Phrases: thymine dimer, thymine nucleotides, more... Adjectives: adenine, opposite, exogenous, cytosine, free, radioactive, unlabeled, adjacent, normal, only, tritiated Colors:     pale yellow,     light green,     soft pink,     lavender,     mint green, more... ▸ Words similar to thymine ▸ Usage examples for thymine ▸ Idioms related to thymine ▸ Wikipedia articles (New!) ▸ Popular adjectives describing thymine ▸ Words that often appear near thymine ▸ Rhymes of thymine ▸ Invented words related to thymine