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Meaning of non-rebreather | Babel Free

Noun CEFR C2

Definitions

A breathing mask that does not recycle expelled air, thus giving the wearer a fresh supply of air, pure oxygen, etc. with each breath.

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

non-rechargeable Non-recoverable Non-rectifying Non-recurrent non-redundancy non-referential perception