• synonyms

potassium sulfate

noun Chemistry.
  1. a crystalline, water-soluble solid, K2SO4, used chiefly in the manufacture of fertilizers, alums, and mineral water, and as a reagent in analytical chemistry.
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Origin of potassium sulfate

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018