We found 18 dictionaries that define the word cations:

General (10 matching dictionaries)

1. cations: Merriam-Webster
2. cations: Collins English Dictionary
3. cations: Vocabulary.com
4. Cations, cations: Wordnik
5. cations: Cambridge Advanced Learner's Dictionary
6. cations: Wiktionary
7. cations: Dictionary.com
8. Cations: Wikipedia, the Free Encyclopedia
9. cations: FreeDictionary.org
10. Cations: TheFreeDictionary.com

Computing (1 matching dictionary)

11. Cations: Encyclopedia

Medicine (5 matching dictionaries)

12. cations: Merriam-Webster Medical Dictionary
13. Medical Dictionary (No longer online)
14. online medical dictionary (No longer online)
15. Cations: Medical dictionary
16. University of Maryland Glossary of Medical Terms (No longer online)

Science (1 matching dictionary)

17. cations: UNCChem Glossary

Slang (1 matching dictionary)

18. cations: Urban Dictionary

(Note: See cation as well.)

Definitions from Wiktionary (cation) ▸ noun:  (physical chemistry) A positively charged ion: one that would be attracted to the cathode in electrolysis. ▸ Also see cation Opposite: anions, negative ions Phrases: divalent cations, monovalent cations, cations divalent, more... Adjectives: other, monovalent, exchangeable, organic, various, radical, different, polyvalent, metallic, major, trivalent ▸ Words similar to cations ▸ Usage examples for cations ▸ Idioms related to cations ▸ Wikipedia articles (New!) ▸ Popular adjectives describing cations ▸ Words that often appear near cations ▸ Rhymes of cations ▸ Invented words related to cations