Definition of "signal" in İngilizce

noun

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

2. Any variation of a quantity or change in an entity over time that conveys information upon detection.

3. A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.

4. An on-off light, semaphore, or other device used to give an indication to another person.

5. (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.

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

6. An action, change or process done to convey information and thus reduce uncertainty.

7. A token; an indication; a foreshadowing; a sign.

8. Useful information, as opposed to noise.

9. (computing, Unix) A simple interprocess communication used to notify a process or thread of an occurrence.

10. (biochemistry) A signalling interaction between cells

verb

1. (ambitransitive) To indicate; to convey or communicate by a signal.

   • I signalled my acquiescence with a nod.
   • He whistled to signal that we should stop.

2. (transitive) To communicate with (a person or system) by a signal.

   • Seeing the flames, he ran to the control room and signalled headquarters.

adjective

1. Standing above others in rank, importance, or achievement.

   • a signal exploit; a signal success; a signal act of benevolence