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Meaning of residual air | Babel Free

Noun CEFR B2

Definitions

That portion of air which cannot be expelled by the most violent efforts from the lungs.

uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

residual alkalinity residual haunting residual power residual risk residual stress residual sum of squares