echo chamber

• POS: Noun Phrase
• HYPHEN: ech=o cham=ber

CIDE DICTIONARY

echo chamber, n. 

 A room with walls that resonate sound, producing audible echoes; it is used especially to create special sound effects in recording music.  [PJC]

ROGET THESAURUS

echo chamber

Resonance

N resonance, ring, ringing, tintinabulation, reflexion, reflection, reverberation, echo, reecho, zap, zot, buzz (hiss), low note, base note, bass note, flat note, grave note, deep note, bass, basso, basso profondo, baritone, barytone, contralto, echo chamber, resonator, tinnitus, bell, doorbell, buzzer, gong, cymbals (musical instruments), sympathetic vibrations, natural frequency, coupled vibration frequency, overtone, resonating cavity, sounding board, tuning fork, tuning, squelch, frequency selection, resonator, resonator circuit, radio resonant structure, aromaticity, alternating double bonds, non-bonded resonance, pi clouds, unsaturation, double bond, (valence), resounding, resonant, reverberant, tinnient, tintinnabulary, sonorous, booming, deep-toned, deep-sounding, deep-mouthed, vibrant, hollow, sepulchral, gruff, sweet bells jangled, out of time and harsh, echoing down the mountain and through the dell.