sodium dichromate

or so·di·um bi·chro·mate

[ soh-dee-uh m dahy-kroh-meyt or soh-dee-uh m bahy-kroh-meyt ]
/ ˈsoʊ di əm daɪˈkroʊ meɪt or ˈsoʊ di əm baɪˈkroʊ meɪt /

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.

Origin of sodium dichromate

First recorded in 1900–05 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for sodium dichromate

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