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antiknock

   Also found in: Hutchinson 0.01 sec.
an·ti·knock  (nt-nk)
n.
A substance, such as tetraethyl lead, added to gasoline to reduce engine knock.
antiknock
Noun
a substance added to motor fuel to reduce knocking in the engine caused by too rapid combustion
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.antiknockantiknock - any of various compounds that are added to gasoline to reduce engine knocking
lead tetraethyl, tetraethyl lead - a clear oily poisonous liquid added to gasoline to prevent knocking
chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
Adj.1.antiknock - suppressing or eliminating engine knock in combustion engines; "antiknock properties"; "antiknock rating"
antiknocking
leaded - treated or mixed with lead; "leaded gasoline"; "leaded zinc"
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A common antiknock compound in gasoline, it has low toxicity and is effective in very low concentrations.
Future options for nonlethal artillery by Black, Kenneth L. / FA Journal
Moreover, these shells can be effective against tanks not only with high antiknock properties with regard to conventional shaped-charge shells but also with "anti-combined" properties.
Future trends in precision arms development by Fesenko, Col. Yu.N / Military Thought
In the United States, about 10 million metric tons of Pb went into paint products and antiknock additives for gasoline (2).
Multiple metal contamination from house paints: consequences of power ... by Mielke, Paul W. / Environmental Health Perspectives
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