Signal

Quick meaning: Signal is a noun meaning A sequence of states representing an encoded message in a communication channel.

Meaning

A sequence of states representing an encoded message in a communication channel.

More Meanings

1. Any variation of a quantity or change in an entity over time that conveys information upon detection.
2. A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.
3. An on-off light, semaphore, or other device used to give an indication to another person.
4. An action, change or process done to convey information and thus reduce uncertainty.
5. A token; an indication; a foreshadowing; a sign.
6. Useful information, as opposed to noise.
7. (of a radio, TV, telephone, internet, etc.) An 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.

Example Sentences

I signalled my acquiescence with a nod.

He whistled to signal that we should stop.

My mobile phone can't get a signal in the railway station.

There was not the least signal of the calamity to be seen.

Word Forms

• signals
• signall
• signaling
• signalling
• signaled
• signalled

Synonyms for signal

Depending on context, synonyms include eminent, noteworthy, significant, notable, indicate, impressive.

Antonyms for signal

Common opposites include noise.

Related Words

Related dictionary entries include sign, signalize, indicate, betoken, point, bespeak.

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