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 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 As such, fly ash has long been mixed with OPC to increase the durability of concrete produced with it. Erik Kobayashi-Solomon, Forbes, 13 Nov. 2023 See all Example Sentences for fly ash 

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

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 27 Jul. 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

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