antiknock
中文解釋
wordnet sense
Collocation Usage
Collins Definition
Noun
A substance (such as tetraethyl lead) added to gasoline to inhibit preignition,
/ˌantēˈnäk/,/ˌantī-/,
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A substance (such as tetraethyl lead) added to gasoline to inhibit preignition,
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A substance (such as tetraethyl lead) added to gasoline to inhibit preignition
Web Definitions:
- suppressing or eliminating engine knock in combustion engines; "antiknock properties"; "antiknock rating"
- any of various compounds that are added to gasoline to reduce engine knocking
- such a substance, usually tetraethyl lead (also MMT, MTBE and ethanol); of an additive added to petroleum/gasoline to reduce the occurrence of engine knock