We found 6 dictionaries that define the word octane numbers:

General (5 matching dictionaries)

1. octane numbers: Merriam-Webster
2. octane numbers: Collins English Dictionary
3. octane numbers: Cambridge Advanced Learner's Dictionary
4. octane numbers: Wiktionary
5. octane numbers: TheFreeDictionary.com

Computing (1 matching dictionary)

6. octane numbers: Encyclopedia

(Note: See octane_number as well.)

Definitions from Wiktionary (octane number) ▸ noun:  A measure of the antiknock properties of an automobile fuel. ▸ Also see octane_number ▸ Words similar to octane numbers ▸ Usage examples for octane numbers ▸ Idioms related to octane numbers ▸ Wikipedia articles (New!) ▸ Words that often appear near octane numbers ▸ Rhymes of octane numbers ▸ Invented words related to octane numbers