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Meaning of potassium iodide

potas'sium i'odide

Pronunciation: [key]
— Chem., Pharm. Chem.,Pharm.
  1. a white, crystalline, water-soluble powder, KI, having a bitter saline taste: used chiefly in the manufacture of photographic emulsions, as a laboratory reagent, in the preparation of Gram's solution for biological staining, and in medicine as an expectorant and to treat thyroid conditions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.