air-tube breathing apparatus
air-tube breathing apparatus[¦er ‚tüb ′brēth·iŋ ‚a·pə¦rad·əs]
A device consisting of a smoke helmet, mask, or mouthpiece supplied with fresh air by means of a flexible tube. Also known as air-supply mask.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.