This shows grade level based on the word's complexity.
tetraethyllead
or tet·raeth·yl lead
[ te-truh-eth-uhl-led ]
/ ˌtɛ trəˌɛθ əlˈlɛd /
Save This Word!
This shows grade level based on the word's complexity.
noun Chemistry.
a colorless, oily, water-insoluble, poisonous liquid, (C2H5)4Pb, used as an antiknock agent in gasoline.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
Also called lead tetraethyl, TEL
Origin of tetraethyllead
First recorded in 1920–25; tetraethyl + lead2
Words nearby tetraethyllead
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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
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.