oxygen mask

noun
Updated on: 14 Apr 2018

Definition of oxygen mask

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

Recent Examples of oxygen mask from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oxygen mask.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of oxygen mask

1920

in the meaning defined above

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OXYGEN MASK Defined for English Language Learners

oxygen mask

Definition of oxygen mask for English Language Learners

  • : a mask worn over your nose and mouth so that you can breathe oxygen from a storage tank


Medical Dictionary

oxygen mask

noun

medical Definition of oxygen mask

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

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