We found 14 dictionaries that define the word opals:

General (10 matching dictionaries)

1. opals: Merriam-Webster
2. opals: Collins English Dictionary
3. opals: Vocabulary.com
4. Opal's, Opals, opals: Wordnik
5. opals: Cambridge Advanced Learner's Dictionary
6. Opals, opals: Wiktionary
7. opals: Dictionary.com
8. OPALS (Ogren Plant Allergy Scale), OPALS, Opals: Wikipedia, the Free Encyclopedia
9. OPALS: Stammtisch Beau Fleuve Acronyms
10. Opals: TheFreeDictionary.com

Business (1 matching dictionary)

11. OPALS: Investopedia

Computing (1 matching dictionary)

12. Opals: Encyclopedia

Miscellaneous (2 matching dictionaries)

13. OPALS: Acronym Finder
14. AbbreviationZ (No longer online)

(Note: See opal as well.)

Definitions from Wiktionary (Opals) ▸ noun:  (chiefly Australia) The women's national basketball representative team of Australia. Similar: Boomers, Jillaroos, Socceroos, wallaroo, Matildas, Olyroos, Kangaroos, vigoro, Aussie rules, Suns, more... Opposite: diamonds, non-opal gemstones Phrases: black opals, fire opals, wood opals, more... Adjectives: black, fine, precious, australian, fiery, mexican, artificial, beautiful, synthetic, white, fire ▸ Words similar to opals ▸ Usage examples for opals ▸ Idioms related to opals ▸ Wikipedia articles (New!) ▸ Popular adjectives describing opals ▸ Words that often appear near opals ▸ Rhymes of opals ▸ Invented words related to opals