Signal, signals, signaling, or signalling may refer to:

Scientific concepts

* Signal (electrical engineering), a physical quantity that can carry information.
* Signal processing, the field of techniques used to extract information from signals
* Cell signaling, in biology, the system of communication that governs basic cellular activities and coordinates cell actions
* Signal (biology), an electrochemical communication activity in an organism
* Two theories in different disciplines of "honest signalling" when deception may be incentivized:
** Signalling theory in evolutionary biology, a theory stating how organisms signal their state to others with respect to evolutionary survival and reproductive fitness
** Signalling (economics), how market actors can signal their intentions and values to others in economics
* Signalling game, signalling theories in evolutionary biology and economics expressed in terms of game theory


* Signal (computing), an event, message, or data structure transmitted between computational processes and many other
* Signal programming, a variety of event-driven programming
* Signals and slots, a signal-driven software design pattern


* Signals used in various kinds of transport:
** Traffic light
** Railway signal
** Semaphore
** Beacon
** International maritime signal flags, using the International Code of Signals
* Signals (military), a name that refers to military communications
* Distress signal
* Smoke signal (See also )
* Signalling (telecommunications), a part of some communication protocols


* "Signal" (band), a Bulgarian rock band
* Signals (album), an album by progressive rock band Rush
* "Signal" (magazine)
* Signal (toothpaste)
* "Signal 1" and "Signal 2" radio stations
* "Signaal" (now Thales Nederland), a Netherlands based defence company
* Signal Systems, a company of the McLean Group of Companies


* Any implicit, subtle, or disguised message, in situations such as:
** Partnership card games (see Signal (bridge))
* Signals in legal citations
* Kent (game) a card game also known as Signal or Kemp

See also

*The Signal

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Look at other dictionaries:

  • signal — signal, aux [ siɲal, o ] n. m. • 1540; « signe distinctif, cachet » déb. XIIIe; réfect., d apr. signe, de seignal; bas lat. signale, neutre subst. de signalis « qui sert de signe » 1 ♦ Signe convenu (geste, son...) fait par qqn pour indiquer le… …   Encyclopédie Universelle

  • Signal.h — is a header file defined in the C Standard Library to specify how a program handles signals while it executes. A signal can report some exceptional behavior within the program ( such as division by zero ), or a signal can report some asynchronous …   Wikipedia

  • Signal — Sig nal, a. [From signal, n.: cf. F. signal[ e].] 1. Noticeable; distinguished from what is ordinary; eminent; remarkable; memorable; as, a signal exploit; a signal service; a signal act of benevolence. [1913 Webster] As signal now in low,… …   The Collaborative International Dictionary of English

  • signal — SIGNÁL, signale, s.n. (Rar) 1. Semnal convenţional emis de o sirenă, de un fluier etc. 2. Fluier mic de metal (cu care se dau aceste semnale convenţionale). – Din fr. signal. Trimis de LauraGellner, 22.07.2004. Sursa: DEX 98  SIGNÁL s. v.… …   Dicționar Român

  • Signal.h — Стандартная библиотека языка программирования С assert.h complex.h ctype.h errno.h fenv.h float.h inttypes.h iso646.h limits.h locale.h math.h setjmp.h signal.h stdarg.h stdbool.h stddef.h stdint.h stdio.h stdlib.h …   Википедия

  • Signal FM — Langue Français, Créole Pays  Haiti !Haïti Statut …   Wikipédia en Français

  • signal — sìgnāl m <G signála> DEFINICIJA 1. znak koji služi da bi se dojavila poruka ili upozorenje [crvena krpa predstavljat će signal za upozorenje] 2. stvar, znak i sl. koji ukazuje da će se nešto početi događati [dim iz vulkana je signal moguće… …   Hrvatski jezični portal

  • Signal — Sn std. (17. Jh.) Entlehnung. Entlehnt aus frz. signal m., zu l. sīgnālis bestimmt, ein Zeichen zu geben , zu l. sīgnum Zeichen, Kennzeichen, Merkmal . Verb: signalisieren.    Ebenso nndl. signaal, ne. signal, nfrz. signal, nschw. signal, nnorw.… …   Etymologisches Wörterbuch der deutschen sprache

  • Signal — Saltar a navegación, búsqueda Signal era órgano de propaganda principal publicado no tanto por los nazis cuanto por el Ejército Alemán durante la Segunda Guerra Mundial. Era famoso por sus fotografías en color de calidad, lo que en la época… …   Wikipedia Español

  • signal — sub. m. Signe que l on donne pour servir d advertissement. Faire un signal. donner le signal. à ce signal ils mirent tous l espée à la main. ils tirerent trois coups de canon pour signal. On leur fit plusieurs signaux. ils firent les signaux dont …   Dictionnaire de l'Académie française

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