tetraethyl lead

noun tet·ra·eth·yl lead \ ˌte-trə-ˌe-thəl-ˈled \
|Updated on: 30 Jun 2018

Definition of tetraethyl lead

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

Recent Examples of tetraethyl lead from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tetraethyl lead.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of tetraethyl lead

1923

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

tetraethyl lead

noun tet·ra·eth·yl lead \ ˌte-trə-ˌeth-əl-ˈled \

medical Definition of tetraethyl lead

: a heavy oily poisonous liquid Pb(C2H5)4 used as an antiknock agent in gasoline called also lead tetraethyl

Learn More about tetraethyl lead


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

fullness to the point of excess

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet-pasta-spelling-help
  • Which is the correct spelling?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!