ammonium sulfate

noun Chemistry.
a white, crystalline, water-soluble solid, (NH 4 ) 2 SO 4 , used chiefly as a fertilizer.

Origin:
1800–85

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Science Dictionary
ammonium sulfate  
A brownish-gray to white crystalline salt used in fertilizers and water purification. Chemical formula: (NH4)2SO4.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Ammonium sulfate is always a great word to know.
So is flibbertigibbet. Does it mean:
a chattering or flighty, light-headed person.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
Example sentences
The use of ammonium sulfate in large-scale fertilizer formulations has been growing gradually.
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