black-and-white television

Retronym for television, coined after the invention of colour television to refer specifically to the type of television existing before then.

black-and-white television (countable and uncountable, plural black-and-white televisions)

1. A monochrome system of transmitting and receiving television signals.
2. A television set that displays only monochrome images.

• (system): color television, colour television
• (television set): color television, colour television