Definitions

1. noun

A device or system that detects and responds to a specific stimulus or signal, such as a radiation detector or a metal detector.

“The airport uses a metal detector to screen passengers before boarding.”

2. verb

To identify or recognize a particular feature, pattern, or signal, especially in a technical or scientific context.

“The software can detect viruses and malware in the system.”

3. verb

To find or locate something, especially through the use of a device or instrument.

“The police used a detector to locate the hidden evidence.”