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signal definition

Overview

This page has 21 definitions of signal with English translations in 7 languages. Signal is a noun, verb and adjective. Examples of how to use signal in a sentence are shown. Also define these 0 related words and terms: .

See also: Signal and signál

English signal definition

Two-aspect railway signal

Alternative forms

Etymology

From Old French segnal, seignal or Medieval Latin signāle; noun use of the neuter of Late Latin signālis, from Latin signum; verb use from 1805, as a shortened from signalize (1650s).

Pronunciation

  • enPR: sĭgʹnəl, IPA(key): /ˈsɪɡnəl/
  • (file)
  • Rhymes: -ɪɡnəl
  • Hyphenation: sig‧nal

Noun

signal (plural signals)

  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

Antonyms

  • (useful information): noise

Derived terms

Terms derived from signal (noun)

Translations

See also

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)

  1. (transitive, intransitive) 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.

Derived terms

Translations

Adjective

signal (not comparable)

  1. Standing above others in rank, importance, or achievement.
    a signal exploit; a signal service; a signal act of benevolence

Synonyms

Related terms

Anagrams


Danish signal definition

Etymology

From Medieval Latin signale.

Noun

signal n (singular definite signalet, plural indefinite signaler)

  1. a signal

References


French signal definition

Etymology

Re-latinization of Old French segnal, from Medieval Latin signale, from Late Latin signālis, from Latin signum.

Pronunciation

Noun

signal m (plural signaux)

  1. signal

Derived terms

Related terms

Descendants

Further reading

Anagrams


Norwegian Bokmål signal definition

Etymology

From Medieval Latin signale.

Noun

signal n (definite singular signalet, indefinite plural signal or signaler, definite plural signala or signalene)

  1. a signal

Derived terms

References


Norwegian Nynorsk signal definition

Etymology

From Medieval Latin signale.

Noun

signal n (definite singular signalet, indefinite plural signal, definite plural signala)

  1. a signal

Derived terms

References


Romanian signal definition

Etymology

From French signal.

Noun

signal n (plural signale)

  1. signal

Declension


Serbo-Croatian signal definition

Etymology

From German Signal, from Medieval Latin signale, from Latin signum.

Pronunciation

  • IPA(key): /sǐɡnaːl/
  • Hyphenation: sig‧nal

Noun

sìgnāl m (Cyrillic spelling сѝгна̄л)

  1. signal

Declension

References

  • signal” in Hrvatski jezični portal

Swedish signal definition

Pronunciation

Noun

signal c

  1. a signal

Declension

Declension of signal 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative signal signalen signaler signalerna
Genitive signals signalens signalers signalernas

Anagrams


Vilamovian signal definition

Etymology

From Old French segnal, seignal or Medieval Latin signāle, noun use of the neuter of Late Latin signālis, from Latin signum.

Pronunciation

Noun

signal n (plural signale)

  1. signal