Medical Dictionary

presbycusis

noun pres·by·cu·sis \ˌprez-bi-ˈkyü-səs, ˌpres-\
plural pres·by·cu·ses \-ˌsēz\

Definition of PRESBYCUSIS

:  a lessening of hearing acuteness resulting from degenerative changes in the ear that occur especially in old age
March 27, 2015
quiescent Hear it
Tranquilly at rest or causing no trouble
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