octane number

octane number


Definition of OCTANE NUMBER

:  a number that is used to measure the antiknock properties of a liquid motor fuel (as gasoline) with a higher number indicating a smaller likelihood of knocking —called also octane rating — compare cetane number

First Known Use of OCTANE NUMBER



Next Word in the Dictionary: octangularPrevious Word in the Dictionary: octaneAll Words Near: octane number
March 04, 2015
sprightly Hear it
Full of life and energy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears