tetraethyl lead

noun Chemistry.

1. a colorless, oily, water-insoluble, poisonous liquid, (C2H5)4Pb, used as an antiknock agent in gasoline.

noun

1. a colourless oily insoluble liquid used in petrol to prevent knocking. Formula: Pb(C 2 H 5) 4Systematic name: lead tetraethyl

n.

1. A colorless, poisonous, oily liquid used in gasoline for internal-combustion engines as an antiknock agent.

1. A colorless, poisonous, oily liquid, formerly in wide use as an antiknock agent in gasoline for internal-combustion engines. Chemical formula: C8H20Pb.