chromic adjective. ['krǝʊmɪk] E19.
[from CHROME + -IC.]
Chemistry. Of or containing chromium, esp. in a higher valency (cf. CHROMOUS).
chromic acid a strongly oxidizing acid, H₂CrO₄, present in aqueous solutions of chromium(VI) oxide; this oxide itself. chromic anhydride chromium(VI) oxide, CrO₃, a dark red crystalline solid with powerful oxidizing properties. chromic oxide chromium(III) oxide, Cr₂O₃, a green amphoteric solid.

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