Residual air


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Related to Residual air: oxygen debt, tidal air
(Physiol.) that portion of air contained in the lungs which can not be expelled even by the most violent expiratory effort. It amounts to from 75 to 100 cubic inches. Cf. Supplemental air, under Supplemental.

See also: Residual

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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References in periodicals archive ?
ISO13849-1, Category 3/4, Safety Dump Valves, VG342 / VP744 Series - Quickly exhaust residual air pressure in conformance to Category 3/4 and ISO13849-1 for machine safety.
Pond- Residual from pond temperature [P.sub.g](t) sediment model residual Residual air temperature [A.sub.g](t) temperature Lagged residual air [A.sub.R](t-1) temperature Coefficient for air [b.sub.0] temperature residuals Coefficient for lagged air [b.sub.1] temperature residuals Submodel Parameter/Variable Estimate (SE) A.
While residual air and moisture can be present in HVACR systems, they are not present in sufficient concentrations to be a significant source of refrigerant breakdown.
We interpreted the observed residual air leak of 400-700 ml/min after placement of the two valves as "intralobar" collateral ventilation between the closed segments 1-3 (localisation of the fistula) and the ventilated segments 4/5 of the left upper lobe.