POLYCHROMIC

Pol′y‐chro″mic (?), a. [[Poly- + (sense 1) Gr. �, or (sense 2) chromic.]] 1. 1. Polychromatic.
2. 2. (Chem.) Pertaining to, or designating, any one of several acids (known only in their salts) which contain more than one atom of chromium.