echo chamber

1. 1.

   an enclosed space for producing reverberation of a sound

   Broaderenclosure

Questions about echo chamber

What does echo chamber mean?

echo chamber means "an enclosed space for producing reverberation of a sound".

Is echo chamber a common word?

echo chamber 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.