sensor

noun

ˈsen-ˌsȯr How to pronounce sensor (audio)
Definition of sensornext
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

Synonyms & Similar Words

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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 Features include modern safety technology, air conditioning, GPS and parking sensors, while maintaining the vintage appearance. — Alexa Liacko, CBS News, 21 Aug. 2026 These require new software for their driver monitoring system, which currently only uses a torque sensor on the steering wheel to determine if the driver is holding the wheel and remaining engaged in the task of driving. — Jonathan M. Gitlin, ArsTechnica, 21 Aug. 2026 But an overloaded dryer can’t do that, and regular overloading will actually knock the sensors out of commission entirely. — Mary Catherine McAnnally Scott, Southern Living, 21 Aug. 2026 Multiple force sensors work together with a floating LCD assembly to ensure proper alignment before every print. — Michael Lydick, PC Magazine, 21 Aug. 2026 See All Example Sentences for sensor
Recent Examples of Synonyms for sensor
detector
Noun
  • The researchers also had to build specialized rooftop facilities and integrate their optics, control systems, communications equipment, quantum sources, and detectors so that equipment separated by 21 kilometers could operate as one experiment.
    — Rupendra Brahambhatt, Interesting Engineering, 23 Aug. 2026
  • Many law enforcement agencies use integrated tools such as facial recognition, gunshot detectors, predictive policing, drones and real-time crime centers that pull all this information into one central hub used by investigators.
    — Jaclyn Diaz, NPR, 22 Aug. 2026
Definition of detector

Browse Nearby Words

sensitizing
sensor
sensorial
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Cite this Entry

“Sensor.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sensor. Accessed 26 Aug. 2026.

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More from Merriam-Webster on sensor

Britannica.com: Encyclopedia article about sensor

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