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ammonium sulfate

noun, Chemistry.
a white, crystalline, water-soluble solid, (NH 4) 2 SO 4 , used chiefly as a fertilizer.
Origin of ammonium sulfate
First recorded in 1800-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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ammonium sulfate in Science
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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