[ dih-tek-shuhn ]
See synonyms for detection on
  1. the act of detecting.

  2. the fact of being detected.

  1. discovery, as of error or crime: chance detection of smuggling.

  2. Telecommunications.

    • rectification of alternating signal currents in a radio receiver.

    • Also called demodulation. the conversion of an alternating, modulated carrier wave or current into a direct, pulsating current equivalent to the transmitted information-bearing signal.

Origin of detection

1425–75; late Middle English <Late Latin dētēctiōn- (stem of dētēctiō), equivalent to Latin dētēct(us) (see detect) + -iōn--ion

Other words from detection

  • pre·de·tec·tion, noun

Words Nearby detection Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use detection in a sentence

British Dictionary definitions for detection


/ (dɪˈtɛkʃən) /

  1. the act of discovering or the fact of being discovered: detection of crime

  2. the act or process of extracting information, esp at audio or video frequencies, from an electromagnetic wave: See also demodulation

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