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.

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.

Nearby words

  1. sodium chlorate,
  2. sodium chloride,
  3. sodium citrate,
  4. sodium cyanide,
  5. sodium cyclamate,
  6. sodium ethylate,
  7. sodium fluoride,
  8. sodium fluoroacetate,
  9. sodium hexametaphosphate,
  10. sodium hydrosulfite

Origin of sodium dichromate

First recorded in 1900–05

sodium bichromate

noun Chemistry. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for sodium bichromate

sodium dichromate


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
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