anti-knock

A form of antiknock — Of an additive added to petroleum/gasoline to reduce the occurrence of engine knock.

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Meanings

adjective
  1. alternativeAlternative form of antiknock.

    He started testing fuels for their anti-knock qualities, using a single-cylinder test engine and expressing resistance to knocking by an H.U.C.R. (highest useful compression ratio) figure.

    1951 October 26, FLIGHT and Aircraft Engineer, London, page 540, column 1
Cite this entry
APA

anti-knock. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/anti-knock

MLA

“anti-knock.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/anti-knock. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “anti-knock,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/anti-knock.

Source: anti-knock on Wiktionary, CC BY-SA 4.0.