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TEL

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Chemistry.
  1. tetraethyllead.
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tetraethyllead

or tet·raeth·yl lead

[te-truh-eth-uh l-led]
noun Chemistry.
  1. a colorless, oily, water-insoluble, poisonous liquid, (C2H5)4Pb, used as an antiknock agent in gasoline.
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Origin of tetraethyllead

First recorded in 1920–25; tetraethyl + lead2
Also called lead tetraethyl, TEL

tel.

tel-1

  1. variant of tele-1: telesthesia.
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tel-2

  1. variant of tele-2: telencephalon.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for tel

tel-

combining form
  1. a variant of tele-, telo-
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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