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Meaning of zero air | Babel Free

Noun CEFR B2

Definitions

Atmospheric air specially cleaned so that it contains less than 0.1 ppm of hydrocarbon impurities.

Examples

“For calibration, first pass a known range of concentrations of the gas through the gas chromatograph, for comparison with zero air that contains effectively none of the gas to be measured.”

CEFR level

B2

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

See also

zero article zero balancing zero blitz zero car zero chill zero client