Meanings
alternative anti-knock
- not comparableOf an additive added to petroleum/gasoline to reduce the occurrence of engine knock.
plural antiknocks · alternative anti-knock
- Such a substance, usually tetraethyl lead (also MMT, MTBE and ethanol).
Synonyms & antonyms
adjectivesuppressing or eliminating engine knock in combustion engines
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*h₂ent-
- Proto-Indo-European*h₂énts
- Proto-Indo-European*h₂énti
- Ancient Greekᾰ̓ντῐ́ (ăntĭ́)
- Ancient Greekἀντι- (anti-)
- Englishanti-
- Proto-Germanic*knukô
- Proto-Germanic*knukōną
- Proto-West Germanic*knokōn
- Old Englishcnocian
- Middle Englishknokken
- Englishknock
- Englishantiknock
Translations
Bulgarian противодетонационен
- противодетонационен (protivodetonacionen)substance to reduce the occurrence of engine knock
Finnish nakutusta estävä, nakutuksenestoaine
- nakutusta estäväreducing the occurrence of engine knock
- nakutuksenestoainesubstance to reduce the occurrence of engine knock
Polish antydetonator
- antydetonatorsubstance to reduce the occurrence of engine knock
Portuguese antidetonante, antidetonante
- antidetonantereducing the occurrence of engine knock
- antidetonantesubstance to reduce the occurrence of engine knock
Cite this entry
antiknock. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/antiknock
“antiknock.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/antiknock. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “antiknock,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/antiknock.
Source: antiknock on Wiktionary, CC BY-SA 4.0.