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antiknock |
Also found in: Dictionary/thesaurus, Hutchinson | 0.03 sec. |
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antiknock a compound, such as lead tetraethyl, added to petrol to reduce knocking in the engine antiknock [′an·tē‚näk] (materials) Resisting detonation or pinging in spark-ignited engines. A substance, such as tetraethyllead, added to motor and aviation gasolines to increase the resistance of the fuel to knock in spark-ignited engines. Also known as antidetonant. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A common antiknock compound in gasoline, it has low toxicity and is effective in very low concentrations. 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. In the United States, about 10 million metric tons of Pb went into paint products and antiknock additives for gasoline (2). |
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