'Perchromic' definitions:

Definition of 'Perchromic'

From: GCIDE

Perchromic \Per*chro"mic\, 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]