tetraethyllead
or tet·raeth·yl lead
[ te-truh-eth-uhl-led ]
/ ˌtɛ trəˌɛθ əlˈlɛd /
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noun Chemistry.
a colorless, oily, water-insoluble, poisonous liquid, (C2H5)4Pb, used as an antiknock agent in gasoline.
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Also called lead tetraethyl, TEL
Origin of tetraethyllead
First recorded in 1920–25; tetraethyl + lead2
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for tetraethyllead
British Dictionary definitions for tetraethyllead
tetraethyl lead
/ (ˌtɛtrəˈiːθaɪl lɛd) /
noun
a colourless oily insoluble liquid used in petrol to prevent knocking. Formula: Pb(C 2 H 5) 4Systematic name: lead tetraethyl
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for tetraethyllead
tetraethyl lead
n.
A colorless, poisonous, oily liquid used in gasoline for internal-combustion engines as an antiknock agent.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for tetraethyllead
tetraethyl lead
[ tĕt′rə-ĕth′əl ]
A colorless, poisonous, oily liquid, formerly in wide use as an antiknock agent in gasoline for internal-combustion engines. Chemical formula: C8H20Pb.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.