Meaning of DETECTOR in English

DETECTOR

noun Date: 1541 one that detects: as, a device for detecting the presence of electromagnetic waves or of radioactivity, a rectifier of high-frequency current used especially for extracting the intelligence from a radio signal

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.