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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
An inflammatory reaction of one or more of the accessory nasal sinuses, resulting from a difference in pressure between the gas in the sinus and the surrounding atmosphere. Also called sinus barotraumas.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved