bone conduction
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Related to bone conduction: bone conduction hearing aid
bone conduction
n.
The process by which sound waves are transmitted to the inner ear by the cranial bones without traveling through the air in the ear canal.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.