plenum ventilation

  1. a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber ) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.

Origin of plenum ventilation

First recorded in 1835–45

Words Nearby plenum ventilation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024