as in detector
a device that detects some physical quantity and responds usually with a transmitted signal
the cat accidentally triggered the motion sensor, which set off the alarm
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Recent Examples of sensor
It will be won at the edge, where sensors speak truth, where data fuels action and where connectivity ensures that no corner of the planet goes unseen.
—
Michael De Nil, Forbes.com, 11 Sep. 2025
Six of those missions will carry data-relay satellites, and four will carry satellites with sensors to detect and track missile launches.
—Stephen Clark, ArsTechnica, 11 Sep. 2025
This new zoom camera is a 56% larger sensor, and has way more resolution.
—Alex Harrington, MSNBC Newsweek, 11 Sep. 2025
Or toggle the switch to Night Mode, and the light will come on automatically whenever its sensor detects night has fallen.
—Miles Walls, Better Homes & Gardens, 8 Sep. 2025
See All Example Sentences for sensor
Michael De Nil, Forbes.com, 11 Sep. 2025
Six of those missions will carry data-relay satellites, and four will carry satellites with sensors to detect and track missile launches.
—Stephen Clark, ArsTechnica, 11 Sep. 2025
This new zoom camera is a 56% larger sensor, and has way more resolution.
—Alex Harrington, MSNBC Newsweek, 11 Sep. 2025
Or toggle the switch to Night Mode, and the light will come on automatically whenever its sensor detects night has fallen.
—Miles Walls, Better Homes & Gardens, 8 Sep. 2025
See All Example Sentences for sensor
Recent Examples of Synonyms for sensor
detector
Noun
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Since that time, however, the pair of giant detectors run by LIGO, in Louisiana and Washington state, have been repeatedly upgraded.—
Nell Greenfieldboyce,
NPR,
11 Sep. 2025
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For instance, the method is used in particle physics for the calibration of sensitive particle detectors.—
Aman Tripathi,
Interesting Engineering,
11 Sep. 2025
Cite this Entry
“Sensor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sensor. Accessed 15 Sep. 2025.
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