oxygen mask

noun

Definition of oxygen mask

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

1920

First Known Use of oxygen mask

1920


OXYGEN MASK Defined for English Language Learners

oxygen mask

noun

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

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


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