Definition of antiknock in English:


Syllabification: an·ti·knock
Pronunciation: /ˌantēˈnäk, ˌantī-


A substance (such as tetraethyl lead) added to gasoline to inhibit preignition.
More example sentences
  • The single most important human exposure to lead was lead aerosol, formed by combustion of lead anti-knock additives in petrol, he said.
  • It focuses on efforts to cover up the health risks associated with lead in paints and ‘anti-knock’ gasoline and the vinyl chloride used in many plastics.
  • One commonly used application is in the production of anti-knock gasoline.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day noisome
Pronunciation: ˈnɔɪs(ə)m
having an extremely offensive smell