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tet·ra·eth·yl lead

also tet·ra·eth·yl·lead  (tĕt′rə-ĕth′əl-lĕd′)
A colorless, poisonous, oily liquid, C8H20Pb, comprised of four ethyl groups on each lead atom, used in gasoline for internal-combustion engines as an antiknock agent.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


or tet•ra•eth•yl lead

(ˈtɛ trəˌɛθ əlˈlɛd)

a colorless, oily, water-insoluble, poisonous liquid, (C2H5)4Pb, used as an antiknock agent in gasoline.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
For example, when tetraethyllead was removed from vehicle gasoline in 1976--a good idea to reduce environmental pollution, to lower blood pressure and heart attack risk, to minimize kidney damage, to improve brain function, and so on --the replacement mineral chosen was manganese.
'lead': "Except for tetraethyllead [Pb(C2H5)4], an organic compound that has been used as a gasoline antiknock additive, litharge is the most important commercial compound of lead [...]." > Dejando aparte el tetraetilplomo, Pb(C2H5)4 (compuesto organico cuya incorporacion a la gasolina como aditivo antidetonante, tras haber sido ampliamente practicada en el pasado, hoy esta prohibida), el litargirio es el compuesto de plomo mas importante [...].