'Polychromatic acid' definitions:

Definition of 'Polychromatic acid'

From: GCIDE
  • 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]