Definition of colour-mixer in English:

colour-mixer

(US color-mixer)

noun

  • 1A trough or churn used for mixing dyes or pigments (now rare).

  • 2A person who mixes pigments or paints to obtain particular shades of colour.

  • 3A colour top or colour wheel used especially for studying a person's colour vision.

Origin

Late 18th century; earliest use found in Gazetteer & New Daily Advertiser.