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signal
[ sig-nl ]
noun
- 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
- anything agreed upon or understood as the occasion for concerted action.
- an act, event, or the like that causes or incites some action:
The unjust execution was the signal for revolt.
- a token; indication.
Synonyms: sign
- Electronics. an electrical quantity or effect, as current, voltage, or electromagnetic waves, that can be varied in such a way as to convey information.
- Cards. a play that reveals to one's partner a wish that they continue or discontinue the suit led.
adjective
- serving as a token or indication; used in communiating an intention, warning, or command:
a signal flag.
- unusual; notable; outstanding:
a signal exploit.
Synonyms: striking, remarkable, exceptional, unique
verb (used with object)
- to make a token or indication to.
- to communicate or make known by a token or indication.
verb (used without object)
- to make communication by something that serves to indicate, warn, direct, command, or the like.
signal
/ ˈsɪɡnəl /
noun
- any sign, gesture, token, etc, that serves to communicate information
- anything that acts as an incitement to action
the rise in prices was a signal for rebellion
- a variable parameter, such as a current or electromagnetic wave, by which information is conveyed through an electronic circuit, communications system, etc
- the information so conveyed
- ( as modifier )
signal strength
a signal generator
adjective
- distinguished or conspicuous
- used to give or act as a signal
verb
- to communicate (a message, etc) to (a person)
signal
/ sĭg′nəl /
- 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.
Derived Forms
- ˈsignaller, noun
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
Word History and Origins
Word History and Origins
Origin of signal1
Example Sentences
They would transmit sound signals through the SOFAR Channel and measure the time that it took for the waves to arrive at receivers located 10,000 kilometers away.
They can also signal the extent to which a health care system is strained and, when they start rising, provide a warning that more resources need to be marshaled quickly.
That kind of fire growth, especially at night, that’s a climate signal for sure.
Those signals of heart inflammation could mean that the patients had developed myocarditis, which is estimated to occur in approximately 22 out of 100,000 people annually around the world.
His studies went on to show that when we learn something new, an electrical signal fires and connects cells in different parts of the brain.
The band turned back around, raising a lively tune to signal life would go on.
Not even Radio Bemba (Cuban slang for the rumor mill) had picked up the signal.
Regardless of how the showdown ends, it does serve a very clear signal of what the political climate will be in the next Congress.
So while the poor sound quality was aggravating, it was also a signal of some weird legitimacy.
And more importantly, an Orman victory could signal a broader assault against the duopoly that controls congress.
But, when the car came thundering down, it was crammed to the step; with a melancholy gesture, the driver declined her signal.
Distances were to him as nothing; and difficulties only stimulated him to give his adversaries a more signal overthrow.
A still more signal triumph to American ingenuity was accorded on Thursday.
He knew that not only was it a signal for the closing of the city gates, but it was also a warning that bedtime was at hand.
General Pio del Pilar slept in the city every night, ready to give the rocket-signal for revolt.
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