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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
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 29 Sep. 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
Britannica.com: Encyclopedia article about fly ash
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