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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.

Quadriplegic and bedridden in a prefabricated home, 36-year-old Li Xia can only move one finger and one toe -- yet he runs a high-tech farm in southwestern China using sensors, cameras and a computer.

From Barron's

The Waymo vehicle uses four sensor systems to gather data from the world around it: lidar, vision, radar and microphone.

From BBC

Amphenol manufactures cables, sensors, and other hardware used in data centers.

From Barron's

The company is bidding on the Golden Dome project with technologies like very low Earth orbit spacecraft and optical sensors, H.C.

From Barron's

The team found that a specific protein acts as the body's internal "exercise sensor," allowing bones to respond to physical movement.

From Science Daily