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fly ash
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noun
fine particles of ash of a solid fuel carried out of the flue of a furnace with the waste gases produced during combustion.
such ash recovered from the waste gases, used chiefly as a reinforcing agent in the manufacture of bricks, concrete, etc.
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Origin of fly ash
First recorded in 1930–35
Words nearby fly ash
fluxion, flux linkage, fluxmeter, fly, fly agaric, fly ash, fly at, flyaway, flyback, fly ball, flybelt
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for fly ash
fly ash
noun
fine solid particles of ash carried into the air during combustion, esp the combustion of pulverized fuel in power stations
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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