crystal set

1. 1.

   an early radio receiver using a crystal detector

   Broaderradio receiver

Questions about crystal set

What does crystal set mean?

crystal set means "an early radio receiver using a crystal detector".

Is crystal set a common word?

crystal set is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.