#408.  Resonance. —­ N. resonance; ring &c. v.; ringing,
tintinabulation &c. v.; reflexion[Brit], reflection, reverberation; echo, reecho; zap, zot[coll.]; buzz (hiss) 409.
     low note, base note, bass note, flat note, grave note, deep note;
bass; basso, basso profondo[It]; baritone, barytone[obs3]; contralto.
     [device to cause resonance] echo chamber, resonator.
     [ringing in the ears] tinnitus[Med].
     [devices which make a resonating sound] bell, doorbell, buzzer; gong,
cymbals (musical instruments) 417.
     [physical resonance] sympathetic vibrations; natural frequency,
coupled vibration frequency; overtone; resonating cavity; sounding board, tuning fork.
     [electrical resonance] tuning, squelch, frequency selection;
resonator, resonator circuit; radio &c. @2.3.1.6.8.
     [chemical resonance] resonant structure, aromaticity, alternating
double bonds, non-bonded resonance; pi clouds, unsaturation, double bond (valence) @2.3.2.2. 
     V. resound, reverberate, reecho, resonate; ring, jingle, gingle[obs3],
chink, clink; tink[obs3], tinkle; chime; gurgle &c. 405 plash, goggle, echo, ring in the ear. 
     Adj. resounding &c. v.; resonant, reverberant, tinnient|,
tintinnabulary; sonorous, booming, deep-toned, deep-sounding, deep-mouthed, vibrant; hollow, sepulchral; gruff &c. (harsh) 410. 
     Phr. “sweet bells jangled, out of time and harsh” [Hamlet]; echoing
down the mountain and through the dell.

     #408a.  Nonresonance[obs3]. —­ N. thud, thump, dead sound;
nonresonance[obs3]; muffled drums, cracked bell; damper; silencer. 
     V. sound dead; stop the sound, damp the sound, deaden the sound,
deaden the reverberations, dampen the reverberations. 
     Adj. nonresonant[obs3], dead; dampened, muffled.

—­ “sibilation” includes hissing and buzzing —­
     #409. [Hissing sounds.] Sibilation. —­ N. sibilance, sibilation; zip;
hiss &c. v.; sternutation; high note &c. 410.
     [animals that hiss] goose, serpent, snake (animal sounds) 412.
     [animals that buzz] insect, bug; bee, mosquito, wasp, fly.
     [inanimate things that hiss] tea kettle, pressure cooker; air valve,
pressure release valve, safety valve, tires, air escaping from tires,
punctured tire; escaping steam, steam, steam radiator, steam release valve. 
     V. hiss, buzz, whiz, rustle; fizz, fizzle; wheeze, whistle, snuffle;
squash; sneeze; sizzle, swish. 
     Adj. sibilant; hissing &c. v.; wheezy; sternutative[obs3].

     #410. [Harsh sounds.] Stridor. —­ N. creak &c. v.; creaking &c. v.;
discord, &c. 414; stridor; roughness, sharpness, &c. adj.; cacophony; cacoepy[obs3].
     acute note, high note; soprano, treble, tenor, alto, falsetto, penny
trumpet, voce di testa[It]. 
     V. creak, grate, jar, burr, pipe, twang, jangle, clank, clink; scream
&c. (cry) 411; yelp &c. (animal sound) 412; buzz &c.