tetraethyllead


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tet·ra·eth·yl lead

also tet·ra·eth·yl·lead  (tĕt′rə-ĕth′əl-lĕd′)
n.
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.

tet•ra•eth•yl•lead

or tet•ra•eth•yl lead

(ˈtɛ trəˌɛθ əlˈlɛd)

n.
a colorless, oily, water-insoluble, poisonous liquid, (C2H5)4Pb, used as an antiknock agent in gasoline.
[1920–25]
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.