echo chamber

[ek-oh cheym-ber]

noun

1. a room or other enclosed space that amplifies and reflects sound, generally used for broadcasting or recording echos or hollow sound effects: The hallway is a giant echo chamber.

   an open-air echo chamber;

   The hallway is a giant echo chamber.

2. an environment in which the same opinions are repeatedly voiced and promoted, so that people are not exposed to opposing views: We need to move beyond the echo chamber of our network to understand diverse perspectives.

   an online echo chamber;

   We need to move beyond the echo chamber of our network to understand diverse perspectives.

echo chamber

noun

1. Also called: reverberation chamber. a room with walls that reflect sound. It is used to make acoustic measurements and as a source of reverberant sound to be mixed with direct sound for recording or broadcasting

Word History and Origins

Origin of echo chamber¹

An Americanism dating back to 1935–40

Example Sentences

Therapy, once a space for cognitive restructuring, has in some quarters become an echo chamber for emotion.

Read more on The Wall Street Journal

The effect, they say, was to create an echo chamber: When both a trusted financial adviser and a lawyer repeated the same message, it reinforced Puech’s belief in what he was being told.

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Counter-terror police said the self-styled "militant" online group provided an "echo chamber of extreme right-wing views where they shared horrific racial slurs, glorified mass murderers and encouraged violence against anyone deemed an enemy".

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“Social media really connected people who are anti-vax and created an echo chamber.”

Read more on Los Angeles Times

Rarely is the ridiculous performance revealed to their own echo chamber.

Read more on Salon