tetraethyl lead

noun
tet·​ra·​eth·​yl lead | \ ˌte-trə-ˌe-thəl-ˈled How to pronounce tetraethyl lead (audio) \

Definition of tetraethyl lead

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

Examples of tetraethyl lead in a Sentence

Recent Examples on the Web Similarly, several decades later, the introduction of tetraethyl lead into gasoline raised environmental concerns, but was tolerated as a necessary lubricant for the adoption of the internal combustion engine. New York Times, "A History of the Energy We Have Consumed," 18 June 2018

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

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The first known use of tetraethyl lead was in 1923

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Cite this Entry

“Tetraethyl lead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tetraethyl%20lead. Accessed 7 Mar. 2021.

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More Definitions for tetraethyl lead

tetraethyl lead

noun
tet·​ra·​eth·​yl lead | \ ˌte-trə-ˌeth-əl-ˈled How to pronounce tetraethyl lead (audio) \

Medical Definition of tetraethyl lead

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

called also lead tetraethyl

More from Merriam-Webster on tetraethyl lead

Britannica.com: Encyclopedia article about tetraethyl lead

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