a masklike device placed or worn over the nose and mouth when inhaling supplementary oxygen from an attached tank.
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- oxygen debt,
- oxygen deficit,
- oxygen demand,
- oxygen effect,
- oxygen lance,
- oxygen tent,
- oxygen toxicity,
- oxygen weed,
- oxygen-deprivation theory of narcosis,
Origin of oxygen mask
First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for oxygen mask
Sitting there, eyes pained behind the transparent shield of his oxygen-mask, he stared at the rock.The Holes Around Mars|Jerome Bixby
a device, worn over the nose and mouth, to which oxygen is supplied from a cylinder or other source: used to aid breathing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
A masklike device that is placed over the mouth and nose and through which oxygen is supplied from an attached storage tank.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.