detector
noun
de·tec·tor
di-ˈtek-tər 
Examples of detector in a Sentence
using metal detectors to improve safety at airports
a motion detector to thwart burglaries
Recent Examples on the Web
Two recent studies suggest that fiber-optic cables laid directly on the lunar ground could double as sensitive detectors for moonquakes, offering a lightweight, low-cost alternative to traditional seismometers.
—
Samantha Mathewson, Space.com, 24 Mar. 2026
And those who find Georgia's gun laws too permissive say installing weapons detectors everywhere is a form of surrender, accepting that society will be awash in guns and violence.
—CBS News, 24 Mar. 2026
His company makes a device that works as a smoke detector for airborne viruses, and the university is using pilot versions of it in some of its classrooms.
—Deidre McPhillips, CNN Money, 23 Mar. 2026
Compact, millimeter-scale detectors could complement large observatories and help probe low-frequency waves that are currently hard to detect.
—Rupendra Brahambhatt, Interesting Engineering, 21 Mar. 2026
See All Example Sentences for detector
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Samantha Mathewson, Space.com, 24 Mar. 2026
And those who find Georgia's gun laws too permissive say installing weapons detectors everywhere is a form of surrender, accepting that society will be awash in guns and violence.
—CBS News, 24 Mar. 2026
His company makes a device that works as a smoke detector for airborne viruses, and the university is using pilot versions of it in some of its classrooms.
—Deidre McPhillips, CNN Money, 23 Mar. 2026
Compact, millimeter-scale detectors could complement large observatories and help probe low-frequency waves that are currently hard to detect.
—Rupendra Brahambhatt, Interesting Engineering, 21 Mar. 2026
See All Example Sentences for detector
Cite this Entry
“Detector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/detector. Accessed 30 Mar. 2026.
Copy CitationKids Definition
detector
noun
de·tec·tor
di-ˈtek-tər
1
: one that detects or warns
a smoke detector
2
: a device in a radio receiver for changing the high-frequency current of radio waves into current that can vibrate a loudspeaker to reproduce the original sound
Medical Definition
detector
noun
de·tec·tor
di-ˈtek-tər
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