potassium dichromate

potassium dichromate

noun Chemistry.
an orange-red, crystalline, water-soluble, poisonous powder, K2Cr2O7, used chiefly in dyeing, photography, and as a laboratory reagent.
Also called potassium bichromate.


Origin:
1880–85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Potassium dichromate is always a great word to know.
So is revive. Does it mean:
rapid oxidation accompanied by heat and light, or a chemical combination attended by production of heat and light
to restore or reduce to the natural or uncombined state, such as a metal
Collins
World English Dictionary
potassium dichromate
 
n
an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7

Collins English Dictionary - Complete & Unabridged 10th Edition
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