クロム酸さんクロムさんMeanings1nounchromic acidchemistryInorganic acid with formula H₂CrO₄; used in electroplating, metal finishing, and as an oxidizing agent. Technical chemistry term.クロム酸さんは強きょう力りょくな酸さん化か剤ざいとして知しられている。Chromic acid is known as a strong oxidizing agent.