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tetramethyllead

American  
[te-truh-meth-uhl-led] / ˌtɛ trəˌmɛθ əlˈlɛd /

noun

Chemistry.

  1. a colorless liquid, (CH3 ) 4 Pb, insoluble in water, slightly soluble in alcohol and benzene, used as an antiknock agent in gasoline.

Etymology

Origin of tetramethyllead

First recorded in 1960–65; tetra- + methyl + lead 2

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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