Function: noun
Date: 1931
: 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
Function: noun
Date: 1931
: 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
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012