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Definition signal
Etymology
From Old French segnal, seignal or Medieval Latin sign?le, noun use of the neuter of Late Latin sign?lis, from Latin signum.
Noun
signal (plural signals)
- A sequence of states representing an encoded message in a communication channel.
- Any variation of a quantity or change in an entity over time that conveys information upon detection.
- A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.
- An on-off light, semaphore, or other device used to give an indication to another person.
- (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.
- An action, change or process done to convey information and thus reduce uncertainty.
- A token; an indication; a foreshadowing; a sign.
- Useful information, as opposed to noise.
- (computing, Unix) A simple interprocess communication used to notify a process or thread of an occurrence.
- (biochemistry) A signalling interaction between cells
Verb
signal (third-person singular simple present signals, present participle (UK) signalling or (US) signaling, simple past and past participle (UK) signalled or (US) signaled)
- (transitive, intransitive) To indicate; to convey or communicate by a signal.
- (transitive) To communicate with (a person or system) by a signal.
Adjective
signal (not comparable)
- Standing above others in rank, importance, or achievement.
Results 469 Words with the letters SIGNAL
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You can also try words with the phrase SIGNAL, words starting with the letters SIGNAL, or words ending in the letters SIGNAL.
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