av·​gas ˈav-ˌgas How to pronounce avgas (audio)
: gasoline for airplanes

Examples of avgas in a Sentence

Recent Examples on the Web The new avgas endangerment finding does not carry any regulatory or legal weight itself. Andrew Paul, Popular Science, 18 Oct. 2023 With the new findings, the EPA argues that leaded avgas endangers public health and welfare under the Clean Air Act—and because of this, the US could finally see its first-ever avgas lead limitations. Andrew Paul, Popular Science, 18 Oct. 2023 The avgas market is dominated by about eight US refineries and one (troubled) UK company producing the world’s supply of tetraethyl lead. Michael J. Coren, Quartz, 16 June 2022 Lead was banished from U.S. gasoline 25 years ago, but it is still found in nearly all avgas, the fuel for many propeller planes. Matt Grossman, WSJ, 10 July 2022 Local officials are not backing down from their ban on refueling with leaded avgas at Santa Clara County’s airports. Michael J. Coren, Quartz, 16 June 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'avgas.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


aviation gasoline

First Known Use

1943, in the meaning defined above

Time Traveler
The first known use of avgas was in 1943

Dictionary Entries Near avgas

Cite this Entry

“Avgas.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/avgas. Accessed 20 May. 2024.

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