low-octane
adj1
Of fuel Having a low octane number.
- Low-octane fuel can be a cause of preignition and detonation. If combustion begins before the spark, for example, combustion pressures may try to push the piston backwards at the end of the compression stroke.2004, Elisabeth H. Dorries, TechOne: Automotive Engine Repair, Cengage Learning, →ISBN, page 58:
2
Broadly Slow; weak.
- A low-octane French attempt to channel the spirit of Play It Again Sam. Alice Taglioni is a single thirtysomething holding out for Mr Right, while looking to a Woody Allen poster for advice.2013 July 4, Andrew Pulver, “Paris-Manhattan – review”, in The Guardian: