Meaning of metachromatism in English:

metachromatism

Pronunciation /ˌmɛtəˈkrəʊmətɪz(ə)m/

noun

  • 1 rare Change of the colour of hair, skin, etc.

  • 2Biology
    = "metachromasia".

Origin

Late 19th century (in an earlier sense). From meta- + chromatism; in later use in sense 1 probably after French métachromatisme, although in quot. 1876 at sense 1a apparently an independent formation.