Low-octane

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    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."

  2. 2
    Slow; weak. broadly

    "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."

Example

More examples

"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."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.