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Glite Dictionary
🚗 Prevents engine knock 🛢️ A fuel additive
antiknock

antiknock

1 8.1
That stops engine knocking in gasoline engines
  • adjective
  • Specialized
: antiknock
  • The new fuel contains an antiknock additive to improve engine performance.

Examples

  • The antiknock rating is crucial when evaluating fuel for high-compression engines.

  • Engineers tested the antiknock properties of several gasoline blends.

  • The new fuel is antiknock and improves engine performance.

  • Using an antiknock additive can enhance fuel efficiency.

  • Engineers tested the antiknock properties of the new gasoline formulas to ensure optimal performance.

  • The antiknock rating of this fuel makes it suitable for performance vehicles with high-compression engines.

  • This gasoline contains an antiknock additive that helps prevent engine knocking during operation.

Synonyms

antiknocking
vsantiknock
  • Specialized
8.2

Able to stop the knocking noise in a car engine when fuel burns

prevents engine knock before it starts rather than removing it

Antonyms

knocking
37 2.2

A sharp repeated sound from a door or machine when parts hit each other

Surface Forms

antiknock positive

Morphology

antiknock = knock (transparent) = anti + knock

Standard prefixation: anti- + knock, meaning preventing engine knock.

Etymology

Antiknock as an adjective uses the same parts anti- ('against') and knock ('engine knocking') to describe a fuel or additive that prevents that knocking, so it helps the engine perform better.