Real Dictionary

television
countable noun: A television or television set is a piece of electrical equipment consisting of a box with a glass screen on it on which you can watch programmes with pictures and sounds.
uncountable noun: Television is the system of sending pictures and sounds by electrical signals over a distance so that people can receive them on a television in their home.

television in American English
the practice or science of transmitting scenes or views by radio or, sometimes, by wire: the television transmitter, by means of a camera tube, such as an image orthicon or vidicon, converts light rays into electric signals for modulation upon a radio car
noun: the broadcasting of a still or moving image via radiowaves to receivers that project a view of the image on a picture tube

television in British English
noun: the system or process of producing on a distant screen a series of transient visible images, usually with an accompanying sound signal. Electrical signals, converted from optical images by a camera tube, are transmitted by UHF or VHF radio waves or by cab

television in Electrical Engineering
noun: Television is the system for sending pictures and sound by electrical signals over a distance, so that people can receive them in their home.

television in Hospitality
noun: A television or television set is a piece of electrical equipment consisting of a box with a glass screen on it on which you can watch programs with pictures and sounds.