|
(), n.[L., fr. plenus full.] That state in which every part of space is supposed to be full of matter; -- opposed to vacuum. G. Francis. Ple"num n.(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. スポンサード リンク
|