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avgas

American  
[av-gas] / ˈævˌgæs /

noun

Aviation.
  1. gasoline for use in piston-engined aircraft.


Etymology

Origin of avgas

First recorded in 1940–45; av(iation) + gas(oline)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The agency subsequently banned the sale of leaded gasoline for on-road vehicles in 1996, but it allowed the continued use of lead in aviation fuel, known as avgas.

From Salon • Aug. 27, 2021

But there is also a wild card: the entity with the greatest power to eliminate lead in avgas may be Innospec, its sole producer.

From Salon • Sep. 8, 2013

The upshot: piston-engine planes consume about 248 million gallons of avgas a year, spewing out 551 tons of lead.

From Salon • Sep. 8, 2013

By the 1940s lead had become the go-to additive to avgas because it produced a fuel with low anti-knock properties, increasing horsepower while adding only a smidgen of extra weight.

From Salon • Sep. 8, 2013

Today, sales of tetraethyllead to avgas producers account for just 3 percent of Innospec’s business.

From Salon • Sep. 8, 2013