antiknock

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English[edit]

Alternative forms[edit]

Etymology[edit]

anti- +‎ knock

Adjective[edit]

antiknock (not comparable)

  1. of an additive added to petroleum/gasoline to reduce the occurrence of engine knock.

Noun[edit]

antiknock (plural antiknocks)

  1. Such a substance, usually tetraethyl lead (also MMT, MTBE and ethanol)

Translations[edit]