echo chamber

[ ek-oh cheym-ber ]

Phonetic (Standard)IPA

noun

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.
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

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 Also calledreverberation chamber

An Americanism dating back to 1935–40

Today, talk radio hosts and online echo-chamber pundits send talking points to politicians.

This is a story about the toxicity of the right-wing echo chamber.

The phrase became part of the lexicon and the media became like an echo chamber.

Stoke with talk-radio demagogues and the internet echo chamber.

If the freakout is contained within the cable-news echo chamber, we will all be better off.

The room, apparently, was designed on the acoustical principle of an echo chamber or a drum.

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