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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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of sensor The study subjects wore sensors on their wrists to track the amount of light they were exposed to daily. New Atlas, 24 Oct. 2025 Instead, the sensors were triggered when the girl’s father jumped in after her less than a minute later. Colson Thayer, PEOPLE, 23 Oct. 2025 Her work focused on sensor systems and software. IEEE Spectrum, 23 Oct. 2025 The current Super Cruise system monitors a driver's attentiveness through the use of sensors and eye-detection cameras. Michael Wayland, CNBC, 22 Oct. 2025 See All Example Sentences for sensor
Recent Examples of Synonyms for sensor
detector
Noun
  • Future experiments, including the Deep Underground Neutrino Experiment (DUNE) in the US and Japan’s Hyper-Kamiokande, are expected to build on this foundation and offer even longer baselines and more powerful detectors to trace how neutrinos shift flavors across greater distances.
    Georgina Jedikovska, Interesting Engineering, 23 Oct. 2025
  • Mercury telluride is quite expensive to produce and is mostly used in military detectors, Astakhov says.
    Meghie Rodrigues, IEEE Spectrum, 23 Oct. 2025

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Cite this Entry

“Sensor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sensor. Accessed 28 Oct. 2025.

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