crystal set

American  

noun

1. an early, tubeless radio receiver using a crystal detector.

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crystal set British  

noun

1. an early form of radio receiver having a crystal detector to demodulate the radio signals but no amplifier, therefore requiring earphones

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Example Sentences

He probably didn’t learn about radio by building crystal sets.

From Washington Post

He travels the country curating items, from chocolate bars to Waterford crystal sets to Air Force One Flight Attendant dolls.

From Washington Post

Whether your aim is to help manage stress or promote self-awareness, a crystal set accompanies many people’s practices to help amplify certain energies and set intentions.

From Seattle Times

Contrast a pretty, flowing dress with edgier accessories, such as these spiky bursts of crystal set in rose gold.

From Seattle Times

Among the offerings are pieces made from vintage Persian turquoise from the 1950s and sparkling citrine and crystal set in rhodium.

From Los Angeles Times