sensor
noun
sen·sor
| \ ˈsen-ˌsȯr
, ˈsen(t)-sər\
, ˈsen(t)-sər\
Definition of sensor
1
: a device that responds to a physical stimulus (such as heat, light, sound, pressure, magnetism, or a particular motion) and transmits a resulting impulse (as for measurement or operating a control)
2
: sense organ
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Examples of sensor in a Sentence
Image sensors are used in digital cameras.
Infrared sensors can track an object's movement.
Recent Examples on the Web
That headset, which at the time cost $599, had to be plugged into a pricy, powerful PC and used with special sensors placed around the room. — Rachel Metz, CNN, "Facebook exec says the future of VR will be cheaper and increasingly wireless," 22 Aug. 2019 These are plastic items with sensors in the tip, useless anyplace else on earth. — Kyle Smith, National Review, "Orlando Magic," 22 Aug. 2019 The building — equipped on each floor with seismic sensors — swayed back and forth for perhaps two to three minutes and as much as one foot in each direction, said Caltech research professor of civil engineering Monica Kohler. — Los Angeles Times, "Earthquake shook L.A. skyscrapers so hard some got vertigo," 15 Aug. 2019 In some parks in Zambia and elsewhere, rhinos and elephants are fitted with sensors and monitored by drones. — The Economist, "How to curb the trade in endangered species," 8 Aug. 2019 The team developed a chip that's smaller than the size of a nickel and studded with sensors. — Wired, "Google's New Gesture Controls Aren't Just for the Pixel," 30 July 2019 With dynamic sensors and signs, this is feasible without building any new lanes. — Erin Baldassari, The Mercury News, "How to catch carpool cheats: Behind the search to find a better way," 28 July 2019 As part of this effort, AID is currently assessing a fleet of 12 test vehicles with Luminar sensors on public roads in Munich. — Lyndon Conrad Bell, Houston Chronicle, "Audi Autonomous Driving partners with Silicon Valley," 20 July 2019 Belgian designer Vivien Mueller of Mu Design embedded the anthropomorphic vase with sensors that can measure things like soil moisture, temperature, and light exposure. — Liz Stinson, Curbed, "Smart planter has a screen that displays your plant’s ‘feelings’," 17 July 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sensor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for sensor
sensor
noun
English Language Learners Definition of sensor
: a device that detects or senses heat, light, sound, motion, etc., and then reacts to it in a particular way
See the full definition for sensor in the English Language Learners Dictionary
sensor
noun
sen·sor
| \ ˈsen-ˌsȯ(ə)r
, ˈsen(t)-sər
\
, ˈsen(t)-sər
\
Medical Definition of sensor
: a device that responds to a physical stimulus (as heat, light, sound, pressure, magnetism, or a particular motion) and transmits a resulting impulse (as for measurement or operating a control)
also
: sense organ
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