Synonyms of sensor

sensor

noun

ˈsen-ˌsȯr 

as in detector

a device that detects some physical quantity and responds usually with a transmitted signal

the cat accidentally triggered the motion sensor, which set off the alarm

Synonyms & Similar Words

• detector
• alarm
• trigger
• eye
• electric eye
• photoelectric cell

Example Sentences

Recent Examples of sensor

The technology will combine star and Sun sensors with a network of radio beacons, allowing robots to determine their location and direction across the Red Planet’s difficult terrain. — Neetika Walter, Interesting Engineering, 13 Nov. 2026

Ocean color sensors can identify changes in water conditions that may indicate developing blooms. — Expert Panel®, Forbes.com, 12 Nov. 2026

As a result of the litigation, the inmates suing were allowed to install temperature sensors in dormitories at Dade Correctional Institution. — Grethel Aguila, Miami Herald, 12 Nov. 2026

The state’s Fire Integrated Real-Time Intelligence System uses aircraft sensors to map fires and run predictive analytics. — Laurie Wayburn, Oc Register, 12 Nov. 2026