We found 32 dictionaries that define the word tritium:

General (16 matching dictionaries)

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

Business (1 matching dictionary)

17. tritium: Financial dictionary

Computing (1 matching dictionary)

18. tritium: Encyclopedia

Medicine (6 matching dictionaries)

19. tritium: Merriam-Webster Medical Dictionary
20. Dorland's Illustrated Medical Dictionary (No longer online)
21. Tritium: MedTerms.com Medical Dictionary
22. online medical dictionary (No longer online)
23. tritium: Medical dictionary
24. Tritium: Drug Medical Dictionary

Science (6 matching dictionaries)

25. Agricultural Thesaurus and Glossary (No longer online)
26. Tritium: Eric Weisstein's World of Chemistry
27. Tritium: Eric Weisstein's World of Physics
28. Tritium: Extragalactic Astronomy
29. General Chemistry Online (No longer online)
30. Tritium: NRC Glossary of Nuclear Terms --

Slang (1 matching dictionary)

31. tritium: Urban Dictionary

Tech (1 matching dictionary)

32. Glossary of Meteorology (No longer online)

(Note: See tritiums as well.)

Definitions from Wiktionary (tritium) ▸ noun:  (physics) A radioactive isotope of the element hydrogen (symbol T, ³H or ³₁H) having one proton and two neutrons. ▸ noun:  An atom of this isotope. Similar: triton, trideuterium, quadrium, trihelium, triprotium, trithorium, trineutron, ununtrium, trion, trit, more... Opposite: helium, protium, deuterium Phrases: Tritium radioluminescence, more... Adjectives: deuterium, natural, radioactive, more, environmental, total, bound, gaseous, molecular, pure, artificial ▸ Words similar to tritium ▸ Usage examples for tritium ▸ Idioms related to tritium ▸ Wikipedia articles (New!) ▸ Popular adjectives describing tritium ▸ Words that often appear near tritium ▸ Rhymes of tritium ▸ Invented words related to tritium