tetraethyl lead

/ ˌtɛtrəˈiːθaɪl lɛd /

noun

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

tetraethyl lead

/ tĕt′rə-ĕth′əl /

1. A colorless, poisonous, oily liquid, formerly in wide use as an antiknock agent in gasoline for internal-combustion engines. Chemical formula: C 8 H 20 Pb.