We found 17 dictionaries that define the word actinon:

General (12 matching dictionaries)

1. actinon: American Heritage Dictionary of the English Language
2. actinon: Collins English Dictionary
3. actinon: Vocabulary.com
4. actinon: Wiktionary
5. actinon: Webster's New World College Dictionary, 4th Ed.
6. actinon: Infoplease Dictionary
7. actinon: Dictionary.com
8. Actinon: Wikipedia, the Free Encyclopedia
9. actinon: Rhymezone
10. actinon: FreeDictionary.org
11. actinon: Mnemonic Dictionary
12. actinon: TheFreeDictionary.com

Business (1 matching dictionary)

13. actinon: Financial dictionary

Computing (1 matching dictionary)

14. actinon: Encyclopedia

Medicine (2 matching dictionaries)

15. actinon: Merriam-Webster Medical Dictionary
16. actinon: Medical dictionary

Tech (1 matching dictionary)

17. Glossary of Meteorology (No longer online)

(Note: See actinons as well.)

Definitions from Wiktionary (actinon) ▸ noun:  (physics, dated) Radon-219 (²¹⁹₈₆Rn; symbol An), an isotope of radon ▸ noun:  (obsolete) Synonym of radon ▸ noun:  (dated) An actinide Similar: Acton, actineon, akton, exactinio, thoron, actinoid, actinate, radonate, actinide, radon, more... ▸ Words similar to actinon ▸ Usage examples for actinon ▸ Idioms related to actinon ▸ Wikipedia articles (New!) ▸ Popular adjectives describing actinon ▸ Words that often appear near actinon ▸ Rhymes of actinon ▸ Invented words related to actinon