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antiknock |
Also found in: Dictionary/thesaurus, Hutchinson | 0.01 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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gasoline producers have blended MTBE into automotive fuels - primarily their premium grades - to boost octane during lead's phaseout as an antiknocking agent. |
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