a. [ Pref. per- + chromic. ] (Chem.) Pertaining to, or designating, a certain one of the highly oxidized compounds of chromium, which has a deep blue color, and is produced by the action of hydrogen peroxide. [ 1913 Webster ]
a. [ Pref. per- + chromic. ] (Chem.) Pertaining to, or designating, a certain one of the highly oxidized compounds of chromium, which has a deep blue color, and is produced by the action of hydrogen peroxide. [ 1913 Webster ]