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English Dictionary: Signal by the DICT Development Group
6 results for Signal
From WordNet (r) 3.0 (2006) [wn]:
  1. notably out of the ordinary; "the year saw one signal triumph for the Labour party"
  1. any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped"
    Synonym(s): signal, signaling, sign
  2. any incitement to action; "he awaited the signal to start"; "the victory was a signal for wild celebration"
  3. an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
  1. communicate silently and non-verbally by signals or signs; "He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu"
    Synonym(s): sign, signal, signalize, signalise
  2. be a signal for or a symptom of; "These symptoms indicate a serious illness"; "Her behavior points to a severe neurosis"; "The economic indicators signal that the euro is undervalued"
    Synonym(s): bespeak, betoken, indicate, point, signal
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Signal \Sig"nal\, a. [From signal, n.: cf. F. signal[82].]
      1. Noticeable; distinguished from what is ordinary; eminent;
            remarkable; memorable; as, a signal exploit; a signal
            service; a signal act of benevolence.
                     As signal now in low, dejected state As erst in
                     highest, behold him where he lies.      --Milton.
      2. Of or pertaining to signals, or the use of signals in
            conveying information; as, a signal flag or officer.
      {The signal service}, a bureau of the government (in the
            United States connected with the War Department) organized
            to collect from the whole country simultaneous raports of
            local meteorological conditions, upon comparison of which
            at the central office, predictions concerning the weather
            are telegraphed to various sections, where they are made
            known by signals publicly displayed.
      {Signal station}, the place where a signal is displayed;
            specifically, an observation office of the signal service.
      Syn: Eminent; remarkable; memorable; extraordinary; notable;

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Signal \Sig"nal\, n. [F., fr. LL. signale, fr. L. signum. See
      {Sign}, n.]
      1. A sign made for the purpose of giving notice to a person
            of some occurence, command, or danger; also, a sign,
            event, or watchword, which has been agreed upon as the
            occasion of concerted action.
                     All obeyed The wonted signal and superior voice Of
                     this great potentate.                        --Milton.
      2. A token; an indication; a foreshadowing; a sign.
                     The weary sun . . . Gives signal of a goodly day
                     to-morrow.                                          --Shak.
                     There was not the least signal of the calamity to be
                     seen.                                                --De Foc.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Signal \Sig"nal\, v. t. [imp. & p. p. {Signaled or Signalled};
      p. pr. & vb. n. {Signaling} or {Signalling}.]
      1. To communicate by signals; as, to signal orders.
      2. To notify by a signals; to make a signal or signals to;
            as, to signal a fleet to anchor. --M. Arnold.

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
      A predefined message sent between two
      {Unix} {processes} or from the {kernel} to a process.   Signals
      communicate the occurrence of unexpected external events such
      as the forced termination of a process by the user.   Each
      signal has a unique number associated with it and each process
      has a signal handler set for each signal.   Signals can be sent
      using the {kill} {system call}.

From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
      A synchronous language by Le Guernic et al of
      ["SIGNAL - A Data Flow-Oriented Language for Signal
      Processing," P. le Guernic, IEEE Trans Acoustics Speech &
      Signal Proc, ASSP-34(2):362-1986-04-374].
No guarantee of accuracy or completeness!
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