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Sensors are used today almost everywhere. Radar guns bounce microwaves off moving cars. A burglar alarm may use a photosensor to detect when a beam of light has been broken, or may use ultrasonic sound waves that bounce off moving objects. Still other sensors may detect pressure (barometers) or chemicals (Breathalyzers and smoke detectors). Stud finders, used by carpenters to locate wooden studs under a wall, may employ magnets or radar. Wired gloves, which relay information about the position of the fingers, are used in virtual-reality environments. A cheap car alarm may be nothing but a shock sensor, in which a strong vibration will cause two metal surfaces to come together.
Examples of sensor in a Sentence
David Szondy, New Atlas, 11 July 2024
The 12-megapixel ultrawide sensor remains unchanged.
—Quentyn Kennemer, The Verge, 10 July 2024
Javi has been working with the military on a three-part sensor system (Scarecrow, Lion and Tin Man) that can triangulate a tornado, making a 3D map of its progress.
—Damon Wise, Deadline, 10 July 2024
Thanks to a powerful new sensor suite, both of the new watches are more precise than previous Galaxy Watch generations.
—Mike Feibus, USA TODAY, 10 July 2024
See all Example Sentences for sensor 
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sensor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near sensor
Cite this Entry
“Sensor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sensor. Accessed 15 Jul. 2024.
Copy CitationKids Definition
sensor
noun
Medical Definition
sensor
noun
ˈsen(t)-sər
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