rebreathing volume

re·breath·ing vol·ume

(rē-brēth'ing vol'yūm)
The volume of exhaled gas reinhaled on inspiration as a result of the presence of a breathing apparatus; this volume is also referred to as instrument dead space.
References in periodicals archive ?
If the predicted rebreathing volume led to a smaller or larger rise than desired, the volume of the rebreathing segment was adjusted.