Dichromate

ahd-5
  • noun. The anionic divalent group, Cr2O7, or a compound containing it, usually having a characteristic orange-red color.
  • The Century Dictionary and Cyclopedia
  • noun. Same as bichromate.
  • the GNU version of the Collaborative International Dictionary of English
  • noun. A salt of chromic acid containing two equivalents of the acid radical to one of the base; -- called also bichromate.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. any salt of dichromic acid; in solution the orange dichromate anion (Cr2O72-) is in equilibrium with the yellow chromate anion (CrO42-), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. a salt of the hypothetical dichromic acid
  • Word Usage
    "She went online and ordered potassium dichromate, a corrosive chemical than can destroy human tissue."
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    salt  
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