detector

de-tec-tor · noun

imported

Definitions

noun

  1. 1.

    A device designed to discover the presence of something and emit a signal.

  2. 2.

    A person or thing that detects.

Related words

Etymology

From detect + -or (agent suffix). From Latin detegere meaning "to uncover." First recorded in the 1540s meaning "one who detects"; the technical sense developed in the 19th century.