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

Automatic sensors turn the lights on in the dark and off in daylight, so there's no need for batteries or wires. — ABC News, 5 Sep. 2026

These changes should be combined with a broader upgrading of Taiwan’s armed forces’ network of sensors, communications tools, drones, and missiles. — Holmes Liao, Foreign Affairs, 4 Sep. 2026

Technologies like facial recognition and behavioral sensors already exist. — Expert Panel®, Forbes.com, 4 Sep. 2026

Constant use is so important to its function that the brand designed the Wireless PowerPack, a small, wearable charger that fits right over the sensor. — Maggie Ryan, Flow Space, 4 Sep. 2026