TML

Chemistry.

tetramethyllead

[te-truh-meth-uh l-led] /ˌtɛ trəˌmɛθ əlˈlɛd/

noun, Chemistry.

a colorless liquid, (CH ₃) ₄ Pb, insoluble in water, slightly soluble in alcohol and benzene, used as an antiknock agent in gasoline.

Also called TML.

Origin of tetramethyllead

1960-1965

First recorded in 1960-65; tetra- + methyl + lead²

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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