dichromate

From di- +‎ chromate.

• (UK) IPA^(key): /daɪˈkɹəʊmeɪt/

dichromate (plural dichromates)

1. (chemistry) Any salt of dichromic acid; in solution the orange dichromate anion.(Cr₂O₇^2-) is in equilibrium with the yellow chromate anion (CrO₄^2-), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents

• potassium dichromate

dichromate (third-person singular simple present dichromates, present participle dichromating, simple past and past participle dichromated)

1. (transitive) To treat with a dichromate.

• Le Chatelier's principle