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Word: signal
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Meaning:
Noun:
- An indication given to another person.
- An on-off light, semaphore, or other device used to give an indication to another person.
- (of a radio, TV, telephone, internet, etc) An electrical or electromagnetic action, normally a voltage that is a function of time that conveys the information of the radio or TV program or of communication with another party.
- Useful information.
Source: Wiktionary
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Source: Wiktionary
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