tetraethyllead
or tet·raeth·yl lead
[te-truh-eth-uh l-led]
- a colorless, oily, water-insoluble, poisonous liquid, (C2H5)4Pb, used as an antiknock agent in gasoline.
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Origin of tetraethyllead
Also called lead tetraethyl, TEL
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018