sensor
//ˈsɛn.sə//
Forms
- Plural
- sensors
Definitions
1.A device or organ that detects certain external stimuli and responds in a distinctive manner.
- The smoke sensor triggered the alarm.
- A motion sensor detected movement in the empty room.
- Modern phones contain a light sensor that adjusts brightness.
Frequency
Overall
Rare· #4320
By learning goal
- Everyday conversation
- Rare
- General reading & writing
- Rare
- Academic
- Rare
- Literature
- Rare
Etymology
Originated 1925–30, formed as a Latin loanword from sentiō (“to feel”) + -tor (“-er”).
By surface analysis, sense + -or.