antiknock
/ˈæn(t)inɑk/
/ˈænˌtaɪnɑk/
noun
A substance (such as tetraethyl lead) added to gasoline to inhibit preignition.
antiknock additives
noun
A substance (such as tetraethyl lead) added to gasoline to inhibit preignition.
antiknock additives
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