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plenum |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Plenum \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. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Plenum \Ple"num\, 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. From WordNet r 1.6 [wn]: plenum n : an enclosed space in which the air pressure is higher than outside
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