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oxygen mask

noun
  1. a masklike device placed or worn over the nose and mouth when inhaling supplementary oxygen from an attached tank.
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Origin of oxygen mask

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for oxygen mask

Historical Examples of 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


British Dictionary definitions for oxygen mask

oxygen mask

noun
  1. a device, worn over the nose and mouth, to which oxygen is supplied from a cylinder or other source: used to aid breathing
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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

oxygen mask in Medicine

oxygen mask

n.
  1. A masklike device that is placed over the mouth and nose and through which oxygen is supplied from an attached storage tank.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.