We found 19 dictionaries that define the word avgas:

General (13 matching dictionaries)

1. avgas: Merriam-Webster
2. avgas: Oxford Learner's Dictionaries
3. avgas: American Heritage Dictionary of the English Language
4. avgas: Collins English Dictionary
5. avgas: Wordnik
6. avgas: Wiktionary
7. avgas: Webster's New World College Dictionary, 4th Ed.
8. avgas: Infoplease Dictionary
9. avgas: Dictionary.com
10. Avgas: Wikipedia, the Free Encyclopedia
11. AVGAS: Stammtisch Beau Fleuve Acronyms
12. avgas: TheFreeDictionary.com
13. avgas: Merriam-Webster

Business (1 matching dictionary)

14. INVESTORWORDS (No longer online)

Computing (1 matching dictionary)

15. avgas: Encyclopedia

Miscellaneous (1 matching dictionary)

16. AVGAS: Acronym Finder

Slang (1 matching dictionary)

17. AVGAS: Urban Dictionary

Tech (2 matching dictionaries)

18. AUTOMOTIVE TERMS (No longer online)
19. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

Definitions from Wiktionary (avgas) ▸ noun:  (aviation) Gasoline fuel for piston-engined aircraft. Similar: aviation fuel, avtur, jet fuel, petroil, aero engine, bleed air, auxiliary power unit, true airspeed, avionics, innage, more... Opposite: diesel, jet fuel, kerosene ▸ Words similar to avgas ▸ Usage examples for avgas ▸ Idioms related to avgas ▸ Wikipedia articles (New!) ▸ Popular adjectives describing avgas ▸ Words that often appear near avgas ▸ Rhymes of avgas ▸ Invented words related to avgas