fly ash
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Related to fly ash: fly ash concrete, Silica fume
fly ash
n.
Fine particulate ash sent up by the combustion of a solid fuel, such as coal, and discharged as an airborne emission or recovered as a byproduct for various commercial uses.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
fly ash
n
(Chemistry) fine solid particles of ash carried into the air during combustion, esp the combustion of pulverized fuel in power stations
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
fly′ ash`
n.
fine particles of ash carried out of the flue of a furnace with the waste gases produced during combustion.
[1930–35]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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| Noun | 1. | fly ash - fine solid particles of ash that are carried into the air when fuel is combusted ash - the residue that remains when something is burned |
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