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hyperacusis
hy·per·a·cu·sis [ hpər ə kyssiss ]


noun 
Definition:
 
sensitivity to sound: an extreme sensitivity to sound, which may have a psychological or organic basis
[Early 19th century. <hyper- + Greek akousis "hearing" < akouein "hear"]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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