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occultism
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occupational hearing loss
oc·cu·pa·tion·al hear·ing loss


noun 
Definition:
 
permanent hearing loss from working environment: damage to the hair-cell mechanism of the inner ear from exposure to high noise levels or toxic agents, resulting in permanent hearing impairment
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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