We found 13 dictionaries that define the word fixed oils:

General (8 matching dictionaries)

1. fixed oils: Merriam-Webster
2. fixed oils: Collins English Dictionary
3. fixed oils: Vocabulary.com
4. fixed oils: Wordnik
5. Fixed oils: Dictionary.com
6. Fixed Oils: Dictionary of Phrase and Fable (1898)
7. fixed oils: FreeDictionary.org
8. Fixed oils: TheFreeDictionary.com

Computing (1 matching dictionary)

9. fixed oils: Encyclopedia

Medicine (3 matching dictionaries)

10. fixed oils: Merriam-Webster Medical Dictionary
11. fixed oils: Medical dictionary
12. Hyperdictionary (No longer online)

Tech (1 matching dictionary)

13. Glossary for the Modern Soap Maker (No longer online)

(Note: See fixed_oil as well.)

Definitions from Wiktionary (fixed oil) ▸ noun:  A non-volatile oil produced from animals or plants. ▸ Also see fixed_oil ▸ Words similar to fixed oils ▸ Usage examples for fixed oils ▸ Idioms related to fixed oils ▸ Wikipedia articles (New!) ▸ Words that often appear near fixed oils ▸ Rhymes of fixed oils ▸ Invented words related to fixed oils