adjective
(American spelling) Extremely or excessively colourful.
(physics) Describing something in a technicolor model, a model that is similar to the Standard Model but lacks a scalar Higgs field.
noun
(American spelling) A process of colour cinematography using synchronised monochrome films, each of a different colour, to produce a colour print.
(informal) Vivid colour.
(physics) A collection of theories based on quantum chromodynamics