Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “oxygen mask”

oxygen mask

noun [C]    
a piece of equipment that can be put over a person's nose and mouth to supply them with oxygenMedical and surgical equipment
(Definition of oxygen mask noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of oxygen mask

Translations of “oxygen mask”

Word of the Day

pump iron

to lift heavy weights for exercise

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More