sensornoun [ C ]
uk/ˈsen.sər/us/ˈsen.sɚ/a device that is used to record that something is present or that there are changes in something:
The security device has a heat sensor which detects the presence of people and animals.
Thesaurus: synonyms and related words
Measuring, weighing, & counting devices
- calculator
- calipers
- dial
- dipstick
- gradation
- hydrograph
- instrument
- light meter
- manometer
- meter
- micrometer
- potometer
- rangefinder
- ruler
- scope
- spirit level
- tachometer
- tape measure
- theodolite
- weighbridge
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