octane
noun/ˈɒkteɪn/
/ˈɑːkteɪn/
- a chemical substance in petrol, used as a way of measuring its quality
- high-octane fuel
Word Originlate 19th cent.: from octo- ‘eight’ (denoting eight carbon atoms) + -ane.Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
octane