Definition of "dichromate" in Anglais

noun

1. (chemistry) Any salt of dichromic acid; in solution the orange dichromate anion.(Cr₂O₇²⁻) is in equilibrium with the yellow chromate anion (CrO₄²⁻), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents

verb

1. (transitive) To treat with a dichromate.