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sensor

American  
[sen-sawr, -ser] / ˈsɛn sɔr, -sər /

noun

  1. a mechanical device sensitive to light, temperature, radiation level, or the like, that transmits a signal to a measuring or control instrument.

  2. a sense organ.


sensor British  
/ ˈsɛnsə /

noun

  1. anything, such as a photoelectric cell, that receives a signal or stimulus and responds to it

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sensor

First recorded in 1925–30; sense + -or 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But China has a broad supply chain of manufacturers that make the nuts and bolts of humanoids, including sensors, batteries and other components.

From The Wall Street Journal

The first model will have weak battery life, a thick design, limited health sensors, no water resistance and no sleep tracking.

From The Wall Street Journal

Unlike the industrial models that follow fixed instructions or consumer products like the Roomba, which uses simple sensors to vacuum a floor, the new creations use AI models to “learn” their tasks.

From Barron's

To test how well the turtles hear, researchers attached noninvasive sensors to the turtles' heads and recorded the electrical activity traveling along their auditory nerves.

From Science Daily

Birds emit lower frequencies with their calls, while the sensors also pick up higher frequencies from hovering insects.

From The Wall Street Journal