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 of potassium dichromate
First recorded in 1880–85
Words nearby potassium dichromate
British Dictionary definitions for potassium bichromate
potassium dichromate
noun
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: K 2 Cr 2 O 7