DICT.TW Dictionary Taiwan

 ple·num /ˈplɛnəm, ˈpli-/
 充滿物質的空間,充實,充滿

 plenum
 (強制)通風系統

 Ple·num n.
 1. That state in which every part of space is supposed to be full of matter; -- opposed to vacuum.
 2. Ventilation A condition, as in an occupied room, in which the pressure of the air is greater than that of the outside atmosphere; as, a plenum may exist in a hall ventilated by a fan blower.
 ◄ ►

 plenum
      n 1: a meeting of a legislative body at which all members are
           present; "the plenum will vote on all tax increases"
      2: an enclosed space in which the air pressure is higher than
         outside
      [also: plena (pl)]