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               (iv) PERCEPTION OF SOUND
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     #418. [Sense of sound.] Hearing. —­ N. hearing &c. v.; audition,
auscultation; eavesdropping; audibility.
     acute ear, nice ear, delicate ear, quick ear, sharp ear, correct ear,
musical ear; ear for music.
     ear, auricle, lug, acoustic organs, auditory apparatus; eardrum,
tympanum, tympanic membrane.
     [devices to aid human hearing by amplifying sound] ear trumpet,
speaking trumpet, hearing aid, stethoscope.
     [distance within which direct hearing is possible] earshot, hearing
distance, hearing, hearing range, sound, carrying distance.
     [devices for talking beyond hearing distance] telephone[exlist],
phone, telephone booth, intercom, house phone, radiotelephone, radiophone, wireless, wireless telephone, mobile telephone, car radio, police radio, two-way radio, walkie-talkie[military], handie-talkie, citizen’s band, CB, amateur radio, ham radio, short-wave radio, police band, ship-to-shore radio, airplane radio, control tower communication; (communication) 525, 527, 529, 531, 532; electronic devices (POINFO @.2.2.3.1.3.5.3).
     [devices for recording and reproducing recorded sound] phonograph,
gramophone, megaphone, phonorganon[obs3].
     [device to convert sound to electrical signals] microphone,directional
microphone, mike, hand mike, lapel microphone.
     [devices to convert recorded sound to electronic signals] phonograph
needle, stylus, diamond stylus, pickup; reading head (electronic devices).
     hearer, auditor, listener, eavesdropper, listener-in.
     auditory, audience.
     [science of hearing] otology, otorhinolaryngology.
     [physicians specializing in hearing] otologist, otorhinolaryngologist. 
     V. hear, overhear; hark, harken; list, listen, pay attention, take
heed; give an ear, lend an ear, bend an ear; catch, catch a sound, prick up one’s ears; give ear, give a hearing, give audience to.
     hang upon the lips of, be all ears, listen with both ears.
     become audible; meet the ear, fall upon the ear, catch the ear,
reach the ear; be heard; ring in the ear &c. (resound) 4O8. 
     Adj. hearing &c. v.; auditory, auricular, acoustic; phonic. 
     Adv. arrectis auribus[Lat]. 
     Int. hark, hark ye! hear! list, listen!  O yes!  Oyez!
     listen up [coll.]; listen here! hear ye! attention! achtung [German].

     #419.  Deafness. —­ N. deafness, hardness of hearing, surdity|;
inaudibility, inaudibleness[obs3]. 
     V. be deaf &c. adj.; have no ear; shut one’s ears, stop one’s ears,
close one’s ears; turn a deaf ear to.
     render deaf, stun, deafen. 
     Adj. deaf, earless[obs3], surd; hard of hearing, dull of hearing;
deaf-mute, stunned, deafened; stone deaf; deaf as a post, deaf as an adder, deaf as a beetle, deaf as a trunkmaker[obs3].
     inaudible, out of hearing. 
     Phr. hear no evil.