Definition of antiknock in English:

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Pronunciation: /ˈan(t)ēnäk/ Pronunciation: /ˈanˌtīnäk/


A substance (such as tetraethyl lead) added to gasoline to inhibit preignition.
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.

For editors and proofreaders

Syllabification: an·ti·knock

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