We found 11 dictionaries that define the word ruby spinel:

General (10 matching dictionaries)

1. ruby spinel: Merriam-Webster
2. ruby spinel: Collins English Dictionary
3. ruby spinel: Vocabulary.com
4. ruby spinel: Infoplease Dictionary
5. ruby spinel: Dictionary.com
6. ruby spinel: Rhymezone
7. ruby spinel: FreeDictionary.org
8. ruby spinel: Mnemonic Dictionary
9. ruby spinel: TheFreeDictionary.com
10. ruby spinel: Wiktionary

Computing (1 matching dictionary)

11. ruby spinel: Encyclopedia

(Note: See ruby_spinels as well.)

Definitions from Wiktionary (ruby spinel) ▸ noun:  A type of red-colored spinel that is used as a gem. Opposite: non-ruby spinel, red spinel, spinell ▸ Words similar to ruby spinel ▸ Usage examples for ruby spinel ▸ Idioms related to ruby spinel ▸ Wikipedia articles (New!) ▸ Words that often appear near ruby spinel ▸ Rhymes of ruby spinel ▸ Invented words related to ruby spinel