[ dih-tek-ter ]
/ dɪˈtɛk tər /


a person or thing that detects.
a device for detecting smoke, fire, or some other hazardous condition.
a device for detecting the presence of metal, contraband, or other items that might be hidden or concealed.
  1. a device for detecting electric oscillations or waves.
  2. a device, as a crystal detector or a vacuum tube, that rectifies the alternating current in a radio receiver.



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Origin of detector

1535–45; < Late Latin dētēctor revealer, equivalent to Latin dēteg(ere) to uncover, reveal (see detect) + -tor -tor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for detector

British Dictionary definitions for detector

/ (dɪˈtɛktə) /


a person or thing that detects
any mechanical sensing device
electronics a device used in the detection of radio signals
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