The term 'colour TV' refers to the technology used in televisions to provide a range of colours and hues to the picture displayed on the screen. There are several synonyms that can be used for the term "colour TV", including "color TV", "chromatic television", or "multicolored TV". These terms are often used interchangeably, and all refer to the same technology. With the advent of newer technologies like HDTV and 3D TV, these terms have become less common, but they still remain important to understand for those interested in the history and development of television technology. Regardless of the specific term used, colour TV has had a significant impact on the way we view our world and media.