PLENUM

plenum

(noun) an enclosed space in which the air pressure is higher than outside

plenum

(noun) a meeting of a legislative body at which all members are present; “the plenum will vote on all tax increases”

Source: WordNet® 3.1


Etymology

Noun

plenum (plural plenums or plena)

(physics) A space that is completely filled with matter.

(figuratively) A state of fullness, a great quantity (of something).

A legislative meeting (especially of the Communist Party) in which all members are present.

An enclosed space having greater than atmospheric pressure.

The space above a false ceiling used for cables, ducts etc.

(computing) A type of network cabling which satisfies plenum-ratings issued by the National Electrical Code. These cables produce less smoke and fumes in the event of fire.

Antonyms

• vacuum

Anagrams

• lumpen

Source: Wiktionary


Ple"num, n. Etym: [L., fr. plenus full.]

Definition: That state in which every part of space is supposed to be full of matter; -- opposed to vacuum. G. Francis.

Source: Webster’s Unabridged Dictionary 1913 Edition



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(noun) a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate


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