Air conduction
medicine/medical. transmission of sound vibrations to the eardrum through the external auditory meatus (opposed to ).
air conduction n.
the atmospheric transmission of sound to the inner ear through the external auditory c-n-l and via structures of the middle ear.
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chiefly british, . a nonnegotiable shipping doc-ment evidencing the contract between shipper and air carrier for transportation and delivery of cargo. abbreviation: awb. noun a doc-ment made out by the consignor of goods by air freight giving details of the goods and the name of the consignee
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