Polychromatic acid
Polychromatic Pol`y*chro*mat"ic, a. [Poly- + chromatic.] Showing a variety, or a change, of colors. [1913 Webster]

{Polychromatic acid} (Old Chem.), a substance obtained by the action of nitric acid on aloes. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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