fly ash

noun

: fine solid particles of ashes, dust, and soot carried out from burning fuel (such as coal or oil) by the draft

Examples of fly ash in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The agency calculated the reduction of smog-forming pollutants and tiny particles of fly ash and dust that are expelled from coal-burning power plants would have $300 million in health benefits and $130 million in climate benefits. Maureen Groppe, USA TODAY, 5 Oct. 2024 The agency acknowledges that a key sample used in the original analysis contained fly ash. Sarah Bowman, The Indianapolis Star, 30 May 2024 Most of the ash used in Pines’ residential properties is called fly ash. Sarah Bowman, The Indianapolis Star, 30 May 2024 The use of fly ash as a feedstock eliminates the need to use limestone at all, let alone to superheat it. Erik Kobayashi-Solomon, Forbes, 13 Nov. 2023 See all Example Sentences for fly ash 

Word History

First Known Use

1931, in the meaning defined above

Time Traveler
The first known use of fly ash was in 1931

Dictionary Entries Near fly ash

Cite this Entry

“Fly ash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fly%20ash. Accessed 23 Nov. 2024.

Kids Definition

fly ash

noun
: fine solid particles consisting of ashes, dust, and soot carried out from burning fuel (as coal or oil) by the draft

More from Merriam-Webster on fly ash

Last Updated: - Updated example sentences
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