N. resonance, ring, ringing, tintinabulation, reflexion,
reflection,
reverberation,
echo,
reecho, zap, zot, buzz (hiss) 409, 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) 417, sympathetic vibrations, natural frequency, coupled vibration frequency, overtone, resonating cavity, sounding board,
tuning fork,
tuning,
squelch, frequency selection,
resonator, resonator circuit, radio &c. @2, 3, 1, 6, 8, resonant structure, aromaticity, alternating double bonds, non-bonded resonance, pi clouds,
unsaturation, double bond (valence) @2, 3, 2, 2