Polychromate
Pol`y`chro´mate
n. | 1. | (Chem.) A salt of a polychromic acid. |
1. | (Chem.) A compound which exhibits, or from which may be prepared, a variety of colors, as certain solutions derived from vegetables, which display colors by fluorescence. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.