crystal detector

crystal detector

n.

A rectifying detector used especially in early radio receivers and consisting of a semiconducting crystal in point contact with a fine metal wire.

Thesaurus

Noun

1.

crystal detector - a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier crystal - a crystalline element used as a component in various electronic devices detector - electronic equipment that detects the presence of radio signals or radioactivity