sensor

/'sensə/
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sensor

A smoke sensor on the ceiling detects a small fire in the kitchen.

Definition
  1. Noun:
    • A device that detects or measures a physical property: A sensor is any device that receives a signal or stimulus (such as heat, pressure, light, or motion) and responds to it in a distinctive manner, typically by converting it into an electrical signal.
Usage Examples
  • Noun:
    • The thermostat uses a temperature sensor to regulate the heating system.
    • Modern smartphones are equipped with various sensors, including an accelerometer and a light sensor.
    • The security system was triggered by a motion sensor.
Advanced Usage
  • "Sensor array": A group of sensors working together.
    • The robot navigated using a complex sensor array.
  • "Sensor fusion": The process of combining data from multiple sensors.
    • Autonomous cars rely on sensor fusion to create an accurate model of their surroundings.
Variants and Related Words
  • Sensory (adj): Relating to sensation or the physical senses.
    • The experiment studied the subjects' sensory perception.
  • Sensation (n): A physical feeling or perception resulting from something that happens to or comes into contact with the body.
    • The patient reported a tingling sensation.
  • Transducer (n): A broader term for a device that converts a signal from one form of energy to another; all sensors are transducers.
    • A microphone is a type of transducer that converts sound into an electrical signal.
Synonyms
  • Detector: A device or instrument designed to detect the presence of something.
  • Probe: A device used to explore, examine, or investigate.
Related Phrases
  • Sensor node: A basic unit in a sensor network.
    • Each sensor node collects environmental data.
  • Sensor reading: The value or data output by a sensor.
    • The sensor reading indicated a sudden drop in pressure.
Related Idioms

(Note: As a technical noun, 'sensor' is not commonly used in idiomatic expressions. Its usage is primarily literal and technical.)

sensor

A smoke sensor on the ceiling detects a small fire in the kitchen.

Noun
  1. any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner

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