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
This next-generation detector will directly measure the full tritium beta-decay spectrum.
—
Mrigakshi Dixit, Interesting Engineering, 3 Dec. 2025
The eight-piece system includes a base station, a keypad for arming and disarming your system, a motion detector, a panic button, and four entry sensors that can be placed on doors and windows.
—PC Magazine, 1 Dec. 2025
In an interview with La Parisien, Dauvergne revealed that the thieves entered the property by cutting through the border fence, then used a crowbar to break open the door and smash the detectors.
—MSNBC Newsweek, 30 Nov. 2025
However, the gravitational wave detectors were only able to narrow down the source of this signal to a region of sky equivalent to around 6,000 times the width of the moon, which makes looking for an accompanying electromagnetic signal akin to searching for a needle in a cosmic haystack.
—Robert Lea, Space.com, 30 Nov. 2025
See All Example Sentences for detector
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Mrigakshi Dixit, Interesting Engineering, 3 Dec. 2025
The eight-piece system includes a base station, a keypad for arming and disarming your system, a motion detector, a panic button, and four entry sensors that can be placed on doors and windows.
—PC Magazine, 1 Dec. 2025
In an interview with La Parisien, Dauvergne revealed that the thieves entered the property by cutting through the border fence, then used a crowbar to break open the door and smash the detectors.
—MSNBC Newsweek, 30 Nov. 2025
However, the gravitational wave detectors were only able to narrow down the source of this signal to a region of sky equivalent to around 6,000 times the width of the moon, which makes looking for an accompanying electromagnetic signal akin to searching for a needle in a cosmic haystack.
—Robert Lea, Space.com, 30 Nov. 2025
See All Example Sentences for detector
Cite this Entry
“Detector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/detector. Accessed 7 Dec. 2025.
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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