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Origin of signal

1350鈥1400; Middle English (noun) <Medieval Latin sign膩le,Late Latin, noun use of neuter of sign膩lis of a sign. See sign, -al2, -al1

OTHER WORDS FROM signal

WORDS THAT MAY BE CONFUSED WITH signal

signal , single
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2021

How to use signal in a sentence

British Dictionary definitions for signal

signal
/ (藞s瑟伞nl) /

noun
any sign, gesture, token, etc, that serves to communicate information
anything that acts as an incitement to actionthe 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
adjective
distinguished or conspicuous
used to give or act as a signal
verb -nals, -nalling or -nalled or US -nals, -naling or -naled
to communicate (a message, etc) to (a person)

Derived forms of signal

signaller or US signaler, noun

Word Origin for signal

C16: from Old French seignal, from Medieval Latin sign膩le, from Latin signum sign
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for signal

signal
[ s沫gn蓹l ]

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.
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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