plenum

  1. Noun.  (physics) A space that is completely filled with matter.
  2. Noun.  (figuratively) A state of fullness, a great quantity (of something).
  3. Noun.  A legislative meeting (especially of the Communist Party) in which all members are present.
  4. Noun.  An enclosed space having greater than atmospheric pressure.
  5. Noun.  The space above a false ceiling used for cables, ducts etc.
  6. Noun.  (computing) A type of network cabling which satisfies plenum-ratings issued by the National Electrical Code. These cables are safer in case of a fire, producing less smoke and fumes.

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This entry was last updated on RefTopia from its source on 3/20/2012.