Nearby words

  1. signa,
  2. signable,
  3. signac,
  4. signac, paul,
  5. signage,
  6. signal board,
  7. signal box,
  8. signal corps,
  9. signal generator,
  10. signal node

Origin of signal

1350–1400; Middle English (noun) < Medieval Latin signāle, Late Latin, noun use of neuter of signālis of a sign. See sign, -al2, -al1

Related forms
Can be confusedsignal single

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for signalled


British Dictionary definitions for signalled

signal

/ (ˈsɪɡnəl) /

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 Formssignaller or US signaler, noun

Word Origin for signal

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

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

Word Origin and History for signalled
Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for signalled

signal

[ sĭgnəl ]

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® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.