antiknock agent 1
noundomain: substance
EnWordnet [ver.5.0]
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EnglishDefinition
a gasoline additive used to reduce engine knocking and increase the fuel's octane rating by raising the temperature and pressure at which auto-ignition occurs.
Examples
- 1.Ferrocene is an antiknock agent added to the petrol used in motor vehicles, and is safer than the now-banned tetraethyllead.
