detector

Definition

• n. any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
• n. rectifier that extracts modulation from a radio carrier wave
• n. electronic equipment that detects the presence of radio signals or radioactivity

Word forms

Plural

detectors

Example sentences

1. n.

   The smoke detector in my house alerts me when there is smoke.

2. n.

   The metal detector helped us find hidden treasures on the beach.