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View synonyms for signal

signal

[ sig-nl ]

noun

  1. anything that serves to indicate, warn, direct, command, or the like, such as a light, a gesture, an act, etc.: a signal to leave.

    a traffic signal;

    a signal to leave.

    Synonyms: sign

  2. anything agreed upon or understood as the occasion for concerted action.
  3. an act, event, or the like that causes or incites some action:

    The unjust execution was the signal for revolt.

  4. a token; indication.

    Synonyms: sign

  5. Electronics. an electrical quantity or effect, as current, voltage, or electromagnetic waves, that can be varied in such a way as to convey information.
  6. Cards. a play that reveals to one's partner a wish that they continue or discontinue the suit led.


adjective

  1. serving as a token or indication; used in communiating an intention, warning, or command:

    a signal flag.

  2. unusual; notable; outstanding:

    a signal exploit.

    Synonyms: striking, remarkable, exceptional, unique

verb (used with object)

, sig·naled, sig·nal·ing or (especially British) sig·nalled, sig·nal·ling.
  1. to make a token or indication to.
  2. to communicate or make known by a token or indication.

verb (used without object)

, sig·naled, sig·nal·ing or (especially British) sig·nalled, sig·nal·ling.
  1. to make communication by something that serves to indicate, warn, direct, command, or the like.

signal

/ ˈsɪɡnəl /

noun

  1. any sign, gesture, token, etc, that serves to communicate information
  2. anything that acts as an incitement to action

    the rise in prices was a signal for rebellion

    1. a variable parameter, such as a current or electromagnetic wave, by which information is conveyed through an electronic circuit, communications system, etc
    2. the information so conveyed
    3. ( as modifier )

      signal strength

      a signal generator

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. distinguished or conspicuous
  2. used to give or act as a signal
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to communicate (a message, etc) to (a person)
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

signal

/ sĭgnəl /

  1. A fluctuating quantity or impulse whose variations represent information. The amplitude or frequency of voltage, current, electric field strength, light, and sound can be varied as signals representing information.
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Derived Forms

  • ˈsignaller, noun
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Other Words From

  • sig·nal·er especially British sig·nal·ler noun
  • pre·sig·nal noun verb (used with object) presignaled presignaling or (especially British) presignalled presignaling
  • re·sig·nal verb resignaled resignaling or (especially British) resignalled resignalling
  • un·sig·naled adjective
  • un·sig·nalled adjective
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Word History and Origins

Origin of signal1

First recorded in 1350–1400; Middle English noun from Old French seignal, signal, from Medieval Latin signāle, Late Latin, noun use of neuter of signālis “of a sign”; sign, -al 2, -al 1
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Word History and Origins

Origin of signal1

C16: from Old French seignal, from Medieval Latin signāle, from Latin signum sign
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Example Sentences

"But if Fermi saw it, we'd be able to measure its mass. We'd be able to measure its interaction strength. We'd be able to determine everything we need to know about the axion, and we'd be incredibly confident in the signal because there's no ordinary matter which could create such an event."

ADMX’s cylinder serves as an antenna to detect that signal.

Physicists can adjust the cylinder’s resonant frequency, trying to match and amplify the tiny radio signal from any axions, by repositioning one or two off-center tuning rods.

Those who played together were more likely to collaborate in these endeavors, indicating that play can signal cooperative motivation and enhance collective cooperation.

As of spring of this year, 6% of U.S. adults reported taking GLP-1 agonists, which treat type 2 diabetes and obesity by acting on a hormone in the small intestine to lower blood sugar, slow emptying of the stomach and signal fullness to the brain.

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