'Chromatism' definitions:

Definition of 'chromatism'

From: WordNet
noun
Hallucinatory perception of colored lights
noun
Abnormal pigmentation

Definition of 'Chromatism'

From: GCIDE
  • Chromatism \Chro"ma*tism\, n. [Gr. ? a coloring.] [1913 Webster]
  • 1. (Optics) The state of being colored, as in the case of images formed by a lens. [1913 Webster]
  • 2. (Bot.) An abnormal coloring of plants. [1913 Webster]