Definition of colour box in English:

colour box

(US color box)

noun

  • 1A box containing a colour or colours; specifically a portable box for holding an artist's paints, brushes, etc., a paint box.

  • 2Manufacturing Technology. A box from which printing rollers in a machine pick up coloured ink or pigment. Now historical.

  • 3A large box containing an arrangement of prisms and mirrors, devised by Clerk Maxwell for combining the colours of the spectrum in any required proportion. Now historical.

Origin

Mid 18th century; earliest use found in Arts Companion. From colour + box.

Pronunciation

colour box

/ˈkʌlə bɒks/