One of the mysteries of the English language finally explained.
A device which detects or measures a physical property and records, indicates, or otherwise responds to it.
- ‘Ceiling speakers pump music into every room, and special sensors can detect water leaks.’
- ‘At the Dallas airport, the lights are controlled by sensors that measure sunlight.’
- ‘They will also wear tiny sensors to measure their movements through the day.’
- ‘Nathalie glanced around her, aware of the audio and visual sensors now recording her words and actions.’
- ‘This generates battery power for the lamp and there is a light sensor to detect whether it is dark enough to switch on.’
- ‘The sensors measure the response of different parts of your brain to the noises.’
- ‘Finally, the researchers have developed new, highly responsive pressure sensors.’
- ‘I have been assured that there is no fault with the temperature sensor or gauge.’
- ‘They use infrared sensors to detect the stairs in your home and stay away from them.’
- ‘There are even tiny sensors that can detect the presence of gunmetal and tanks.’
- ‘Each of the five devices has a motion sensor which triggers off a loud voice when people walk past.’
- ‘Cabbies could pay a charge for an electronic sensor to make it fall when they approached.’
- ‘Seabed sensors detect abnormal wave movements and relay the information to scientists.’
- ‘The ship's sensors detect incoming threats, which the command system then analyses and evaluates.’
- ‘The type of the rotor is detected in response to the output signal from the sensor.’
- ‘The frame consists of arrays of infrared beams and sensors which spot the movement and track it.’
- ‘When they opened up the sensor that had detected the fire, they found nothing more sinister than a dead fly.’
- ‘They then measured the arousal of the men by using a sensor which monitored penile tumescence.’
- ‘In other words the electronic odour sensor can detect the presence of bacteria in a sample of urine or other body fluids.’
- ‘I have changed the electronic control unit sensors, fuse box and relays to no avail.’
1950s: from sensory, on the pattern of motor.
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