We found 15 dictionaries that define the word omega-3:

General (10 matching dictionaries)

1. omega-3: Merriam-Webster
2. omega-3: Vocabulary.com
3. Omega-3, omega-3: Wordnik
4. omega-3: Dictionary.com
5. Omega-3: Wikipedia, the Free Encyclopedia
6. omega-3: FreeDictionary.org
7. omega-3: Mnemonic Dictionary
8. omega-3: TheFreeDictionary.com
9. omega-3: Rhymezone

Art (1 matching dictionary)

10. Omega-3: Health & Beauty Glossary

Medicine (3 matching dictionaries)

11. Omega-3: Merriam-Webster Medical Dictionary
12. Omega-3: Glossary of Herbs, Botanicals and Other Products
13. omega-3: Medical dictionary

Tech (1 matching dictionary)

14. Omega-3: Beauty & Health Glossary

(Note: See omega-3s as well.)

Definitions from WordNet ( ) ▸ noun:  a polyunsaturated fatty acid whose carbon chain has its first double valence bond three carbons from the beginning Phrases: omega-3 fatty acid, omega-3 fatty acids, fatty acids, omega-3, omega-3 (n-3) fatty acids, Omega-3 acid ethyl esters, more... ▸ Words similar to omega-3 ▸ Usage examples for omega-3 ▸ Idioms related to omega-3 ▸ Wikipedia articles (New!) ▸ Popular adjectives describing omega-3 ▸ Words that often appear near omega-3 ▸ Rhymes of omega-3 ▸ Invented words related to omega-3