from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry a
toxic organometallic compound, (C2H5)4Pb, added to petroleum/ gasolineas an antiknock agent
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a clear oily poisonous liquid added to gasoline to prevent knocking
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