We found 49 dictionaries that define the word anion:

General (26 matching dictionaries)

1. anion: Merriam-Webster
2. anion: Oxford Learner's Dictionaries
3. anion: American Heritage Dictionary of the English Language
4. anion: Collins English Dictionary
5. anion: Vocabulary.com
6. Anion: Wordnik
7. anion: Cambridge Advanced Learner's Dictionary
8. anion: Wiktionary
9. anion: Webster's New World College Dictionary, 4th Ed.
10. anion: The Wordsmyth English Dictionary-Thesaurus
11. anion: Infoplease Dictionary
12. anion: Online Etymology Dictionary
13. Anion: Wikipedia, the Free Encyclopedia
14. Anion: Online Plain Text English Dictionary
15. anion: Webster's Revised Unabridged, 1913 Edition
16. anion: Rhymezone
17. Anion: AllWords.com Multi-Lingual Dictionary
18. anion: FreeDictionary.org
19. anion: The Phrontistery - A Dictionary of Obscure Words
20. anion: Mnemonic Dictionary
21. anion: TheFreeDictionary.com
22. anion: Wordnik
23. anion: Dictionary.com
24. anion: Merriam-Webster

Computing (1 matching dictionary)

25. anion: Encyclopedia

Medicine (7 matching dictionaries)

26. anion: Merriam-Webster Medical Dictionary
27. Dorland's Illustrated Medical Dictionary (No longer online)
28. Anion: MedTerms.com Medical Dictionary
29. Anion: MedFriendly Glossary
30. online medical dictionary (No longer online)
31. anion: Medical dictionary
32. Anion: Drug Medical Dictionary

Science (8 matching dictionaries)

33. Electrochemistry Dictionary (No longer online)
34. Chemistry Dictionary (No longer online)
35. Drug Discovery and Development (No longer online)
36. Anion: Eric Weisstein's World of Chemistry
37. Botanical Terms (No longer online)
38. Illustrated Glossary of Geologic Terms (No longer online)
39. Anion: NRC Glossary of Nuclear Terms --
40. anion: UNCChem Glossary

Slang (1 matching dictionary)

41. anion: Urban Dictionary

Tech (6 matching dictionaries)

42. Anion: Building pathology glossary
43. Anion: A to Z of Terms related to the Thermal Spray Process and Surface Engineering
44. Lake and Water Word Glossary (No longer online)
45. Schlumberger Oilfield Glossary (No longer online)
46. Pool Glossary (No longer online)
47. ANION: Power Engineering

(Note: See anions as well.)

Definitions from Wiktionary ( ) ▸ noun:  A negatively charged ion. Similar: anionophore, phosphoanion, anion gap, proteinate, haemoglobinate, protonophore, aminoterminus, ion carrier, anammox, alanine, more... Opposite: cation Types: chloride, sulfate, nitrate, bromide, iodide, hydroxide, carbonate, borate, perchlorate, more... Phrases: anion exchange, anion gap, superoxide anion, anion exchanger, radical anion, more... Adjectives: radical, organic, complex, major, superoxide, common, dominant, free, monovalent, principal, corresponding Colors:     teal,     cyan,     turquoise,     aqua,     mint, more... ▸ Word origin ▸ Words similar to anion ▸ Usage examples for anion ▸ Idioms related to anion ▸ Wikipedia articles (New!) ▸ Popular adjectives describing anion ▸ Words that often appear near anion ▸ Rhymes of anion ▸ Invented words related to anion