We found 13 dictionaries that define the word hydroxide ion:

General (10 matching dictionaries)

1. hydroxide ion: Merriam-Webster
2. hydroxide ion: American Heritage Dictionary of the English Language
3. hydroxide ion: Vocabulary.com
4. hydroxide ion: Infoplease Dictionary
5. hydroxide ion: Dictionary.com
6. Hydroxide ion: Wikipedia, the Free Encyclopedia
7. hydroxide ion: Rhymezone
8. hydroxide ion: FreeDictionary.org
9. hydroxide ion: Mnemonic Dictionary
10. hydroxide ion: TheFreeDictionary.com

Computing (1 matching dictionary)

11. hydroxide ion: Encyclopedia

Medicine (2 matching dictionaries)

12. hydroxide ion: Merriam-Webster Medical Dictionary
13. hydroxide ion: Medical dictionary

Definitions from WordNet (hydroxide ion) ▸ noun:  the anion OH having one oxygen and one hydrogen atom Opposite: proton, acid, positive ion ▸ Words similar to hydroxide ion ▸ Usage examples for hydroxide ion ▸ Idioms related to hydroxide ion ▸ Wikipedia articles (New!) ▸ Words that often appear near hydroxide ion ▸ Rhymes of hydroxide ion ▸ Invented words related to hydroxide ion