oxygen mask

noun

: a device worn over the nose and mouth through which oxygen is supplied from a storage tank

Examples of oxygen mask in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Typical treatment uses an oxygen mask or hyperbaric chamber to overwhelm the body with oxygen, pushing the carbon monoxide molecules off the hemoglobin cells so that oxygen can attach instead. Sara Novak, Scientific American, 11 Sep. 2025 The fruit, which was dotted with red food dye, had just had surgery, Nelson told his mom, and the oxygen mask was helping the banana recover. Ciara McCarthy, Fort Worth Star-Telegram, 27 Aug. 2025 The two were wearing helmet oxygen masks and reported smelling an odor followed by smoke intrusion into the cockpit. Forum News Service, Twin Cities, 26 Aug. 2025 Think of psychological safety like the instructions before a flight takes off: Secure your own oxygen mask before helping others. Sunny Nandwani, Forbes.com, 18 July 2025 See All Example Sentences for oxygen mask

Word History

First Known Use

1920, in the meaning defined above

Time Traveler
The first known use of oxygen mask was in 1920

Browse Nearby Words

Cite this Entry

“Oxygen mask.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxygen%20mask. Accessed 17 Sep. 2025.

Kids Definition

oxygen mask

noun
: a device worn over the nose and mouth through which oxygen is supplied from a storage tank

Medical Definition

oxygen mask

noun
: a device worn over the nose and mouth through which oxygen is supplied from a storage tank
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!