Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

tetraethyl lead


tet·ra·eth·yl lead

noun \ˌte-trə-ˌe-thəl-ˈled\

Definition of TETRAETHYL LEAD

: a heavy oily poisonous liquid Pb(C2H5)4 used especially formerly as an antiknock agent

First Known Use of TETRAETHYL LEAD

1923

Browse

Next Word in the Dictionary: tetraethyl orthosilicate
Previous Word in the Dictionary: tetraethyl
All Words Near: tetraethyl lead

Seen & Heard

What made you want to look up tetraethyl lead? Please tell us where you read or heard it (including the quote, if possible).