English

signal noun definition in Watching TV topic from the Oxford Advanced Learner's Dictionary

signal

 noun: Watching TV topic
a series of electrical waves that carry sounds, pictures or messages, for example to a radio, television or mobile/cell phone TV signals a high-frequency signal a radar signal to detect/pick up signals to emit a signal I couldn't get a signal on my cell phone. The satellite is used for transmitting signals around the world.

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The media