Artificial intelligent assistant

transcoloration

transcoloˈration, -colouˈration Now rare or Obs.
  [f. trans- + coloration.]
  The action or process of transcolouring; change of colour.

1664 Power Exp. Philos. i. 74 Experiments in the Extraction, Commixtion, and Transcoloration of Tinctures. c 1790 J. Imison Sch. Art II. 94 Among the most pleasing as well as surprizing phenomena of nature [are] the transcolourations produced by chemistry. 1827 Blackw. Mag. XXI. 781 True, through all transformations, and transfigurations, and transcolorations, to their original..forms, figures, and colours.

Oxford English Dictionary

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