zero end-expiratory pressure

ze·ro end-ex·pi·ra·to·ry pres·sure (ZEEP),

airway pressure that, at the end of expiration, equals atmospheric pressure.

ze·ro end-ex·pi·ra·to·ry pres·sure

(ZEEP) (zēr'ō end'ek-spīr'ă-tōr-ē presh'ŭr) Airway pressure that, at the end of expiration, equals atmospheric pressure.