1. tetraethyllead. tetraethyllead or tetraethyl lead [te-truh-eth-uh l-led] /ˌtɛ trəˌɛθ əlˈlɛd/ Spell Syllables noun, Chemistry.
1. a colorless, oily, water-insoluble, poisonous liquid, (C 2 H 5) 4 Pb, used as an antiknock agent in gasoline.
"quels can be tel."
"bases can be tel."
"years can be tel."
"exports can be tel."
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