Signal: meaning, definitions and examples

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signal

[ ˈsɪɡnəl ]

^{Context #1}

communication

A gesture, action, or sound used to convey information or instructions.

Synonyms

cue, indication, sign

Examples of usage

He gave a signal to start the race.
She used hand signals to communicate with the deaf person.
The traffic lights provide signals for drivers.

^{Context #2}

electronics

An electrical impulse or wave transmitted along a wire or cable.

Synonyms

broadcast, telecommunication, transmission

Examples of usage

The amplifier boosts the strength of the signal.
The satellite dish receives signals from space.
The radio waves carry the signal to the receiver.

^{Context #3}

communication

To send a message or information through gestures, actions, or sounds.

Synonyms

communicate, gesture, indicate

Examples of usage

He signaled for help by waving his arms.
The referee signaled a foul by blowing the whistle.
She signaled her agreement with a nod.

Translations

Translations of the word "signal" in other languages:

🇵🇹 sinal

🇮🇳 संकेत

🇩🇪 Signal

🇮🇩 sinyal

🇺🇦 сигнал

🇵🇱 sygnał

🇯🇵 信号 (しんごう)

🇫🇷 signal

🇪🇸 señal

🇹🇷 sinyal

🇰🇷 신호 (신호)

🇸🇦 إشارة

🇨🇿 signál

🇸🇰 signál

🇨🇳 信号 (xìnhào)

🇸🇮 signal

🇮🇸 merki

🇰🇿 сигнал

🇬🇪 სიგნალი

🇦🇿 siqnal

🇲🇽 señal

Word origin

The word 'signal' originated from the Latin word 'signum', meaning a sign or token. In ancient times, signals were used in various forms such as smoke signals, drum beats, and flags to communicate messages over long distances. With the advancement of technology, signals are now commonly used in telecommunications and electronics to transmit information quickly and efficiently.