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sodium dichromate

or so·di·um bi·chro·mate

[soh-dee-uh m dahy-kroh-meyt or soh-dee-uh m bahy-kroh-meyt]
noun Chemistry.
  1. a red or orange crystalline, water-soluble solid, Na2Cr2O7⋅2H2O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
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Origin of sodium dichromate

First recorded in 1900–05

sodium bichromate

noun Chemistry.
  1. sodium dichromate.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for sodium bichromate

sodium dichromate

noun
  1. a soluble crystalline solid compound, usually obtained as red or orange crystals and used as an oxidizing agent, corrosion inhibitor, and mordant. Formula Na 2 Cr 2 O 7Also called (not in technical usage): sodium bichromate
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012