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tetramethyllead

[ te-truh-meth-uhl-led ]
/ ˌtɛ trəˌmɛθ əlˈlɛd /
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noun Chemistry.
a colorless liquid, (CH3)4Pb, insoluble in water, slightly soluble in alcohol and benzene, used as an antiknock agent in gasoline.
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Also called TML

Origin of tetramethyllead

First recorded in 1960–65; tetra- + methyl + lead2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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