antiknock

English dictionary entry

Meanings

adj
  1. Of an additive added to petroleum/gasoline to reduce the occurrence of engine knock.
noun
  1. Such a substance, usually tetraethyl lead (also MMT, MTBE and ethanol).

Pronunciation

LL-Q1860 (eng)-Wodencafe-antiknock.wav

Word forms

antiknock anti-knock antiknocks

Etymology

From anti- + knock.

Derived words

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