ammonium sulfate

noun Chemistry.

a white, crystalline, water-soluble solid, (NH4)2SO4, used chiefly as a fertilizer.

Origin of ammonium sulfate

First recorded in 1800–85 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for ammonium sulfate

ammonium sulfate

A brownish-gray to white crystalline salt used in fertilizers and water purification. Chemical formula: (NH4)2SO4.
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