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potassium iodide

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noun Chemistry, Pharmacology.
  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.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

potassium iodide in Medicine

potassium iodide

n.
  1. A white crystalline compound used as a source of iodine to treat thyrotoxic crisis and to prevent thyroid cancer in the event of overexposure to nuclear radiation. It is also used as an expectorant and antifungal.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

potassium iodide in Science

potassium iodide

  1. A white crystalline compound used in photography and medicine and as a reagent in chemical analysis. It is also added to table salt to prevent goiter and other iodide-deficiency disorders. Chemical formula: KI.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.