bichromate
/ˌbaɪkroʊˈmeɪt/Definitions
1. noun
A salt or ester of bichromic acid, typically a heavy, crystalline substance used as a pigment or in analytical chemistry.
“The artist used bichromate to create a unique, vibrant painting.”
2. verb
To treat or coat with bichromate
“The engineer bichromated the metal to prevent corrosion.”