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 An investigation conducted by the National Transportation Safety Board after Lalin’s death revealed the sensor in the door meant to detect a blocking object had malfunctioned. Matthew Medsger, Boston Herald, 20 May 2025 Musk has said those sensors were expensive and could impede high-volume robotaxi production and scaling of a global fleet. Lora Kolodny, CNBC, 20 May 2025 Akin to a sensor buoy at sea warning of an oncoming tsunami, DSCOVR provides real-time data on the solar wind, which helps forecasters issue alerts about incoming geomagnetic storms. Daisy Dobrijevic, Space.com, 20 May 2025 An industry move from CCD to CMOS sensors netted huge improvements in picture quality at higher ISOs, and improvements in sensor architecture expanded dynamic range, giving creators huge leeway to control color and tone. PC Magazine, 20 May 2025 See All Example Sentences for sensor
Recent Examples of Synonyms for sensor
detector
Noun
  • This compact detector scans for hidden bugs, GPS trackers, or listening devices.
    Aly Walansky, Travel + Leisure, 1 June 2025
  • This futuristic-looking pod on legs has a rubbery bottom for litter, a weight detector that sets off the cleaning cycle a few minutes after your cat has done its business, and a slide-out tray in the bottom.
    Molly Higgins, Wired News, 9 May 2025

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Cite this Entry

“Sensor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sensor. Accessed 7 Jun. 2025.

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