echo chamber

noun
Updated on: 8 Nov 2017

Definition of echo chamber

: a room with sound-reflecting walls used for producing hollow or echoing sound effects

Recent Examples of echo chamber from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'echo chamber.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of echo chamber

circa 1937


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