THESAURUS
buzzer
Klaxon, Mayday, SOS, air-raid alarm, alarm, alarm bell, alarm clock, alarm signal, alarum, alert, all clear, beacon, blinking light, burglar alarm, crostarie, fiery cross, fire alarm, fire bell, fire flag, five-minute gun, flashing light, fog bell, fog signal, foghorn, gale warning, hooter, horn, hue and cry, hurricane warning, lighthouse, note of alarm, occulting light, police whistle, signal of distress, siren, small-craft warning, still alarm, storm cone, storm flag, storm warning, tocsin, two-minute gun, upside-down flag, whistle
ROGET THESAURUS
buzzer
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.