sensor
Translation
sensor, detector
Examples
The light has an automatic sensor.
The light has an automatic sensor.
A temperature sensor monitors the engine.
A temperature sensor monitors the engine.
Grammar Patterns
((a/an)) ~ a device that detects or measures something. The smoke alarm has a sensor.
Similar Words
Synonyms: detector, probe, transducer
Etymology
From Latin 'sensus' (sense), from 'sentire' (to feel). The suffix '-or' denotes an agent or instrument.
Memory Tips
Think of it as a device that 'senses' things like light, heat, or motion.