Octane Number Definition
    noun
  
 A number representing the antiknock properties of a gasoline, fuel mixture, etc., determined by the percentage of isooctane that must be mixed with normal heptane to produce the knocking quality of the fuel being tested: the higher the number, the greater the antiknock properties.
 Webster's New World 
Synonyms: 
  - octane rating
 
Other Word Forms of Octane Number
Noun
Singular:
 octane numberPlural:
 octane-numbersOctane Number Is Also Mentioned In
Find Similar Words
Find similar words to octane number using the buttons below.





