tet·ra·eth·yl lead noun \ˌte-trə-ˌe-thəl-ˈled\
: a heavy oily poisonous liquid Pb(C2H5)4 used especially formerly as an antiknock agent
First Known Use of TETRAETHYL LEAD
tet·ra·eth·yl lead noun \ˌte-trə-ˌeth-əl-ˈled\ (Medical Dictionary)
: a heavy oily poisonous liquid Pb(C2H5)4 used as an antiknock agent in gasoline—called also lead tetraethyl
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