oxygen mask

American  

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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oxygen mask British  

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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Etymology

Origin of oxygen mask

First recorded in 1915–20

Example Sentences

The incident was declared a major emergency as 186 personnel were deployed to the scene of the hazardous material fire wearing protective gear such as body suits and oxygen masks.

From Los Angeles Times

Hazardous materials are in several of the cargo containers involved in the blaze and all firefighters are wearing protective suits and oxygen masks, according to LAFD.

From Los Angeles Times

Dr Umesh, who is a medical doctor, said that ambulance staff told her no-one has burn injuries but that some first responders inhaled "toxic fumes" and are now using oxygen masks.

From BBC

Rossi continued to insist at a series of court hearings - which he usually attended in an electric wheelchair, wearing an oxygen mask, hat and three-piece suit - that he was the victim of mistaken identity.

From BBC

TV images showed Katoa being fitted with an oxygen mask and put on a stretcher.

From Barron's