noun

sensor

sensor, detector

The security light has a motion sensor.

The security light has a motion sensor.

A temperature sensor monitors the engine.

A temperature sensor monitors the engine.

a/an ((adjective)) sensor The security light has a motion sensor.

Synonyms: detector, probe, transducer

From Latin 'sensus' (sense) + '-or' (agent noun suffix). A thing that senses.

A 'sensor' is a device that 'senses' things like light, heat, or motion.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.