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Meaning of hypophosphorous acid

hy'pophos'phorous ac'id

Pronunciation: [key]
  1. a colorless or yellowish, water-soluble, liquid, monobasic acid, HPO, having a sour odor, and used as a reducing agent.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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