Plenum

//ˈplɛnəm// noun

Definitions

Noun
  1. 1
    A space that is completely filled with matter.

    "The idea was that a thing could only move into an empty place, and that, in a plenum, there are no empty places."

  2. 2
    an enclosed space in which the air pressure is higher than outside wordnet
  3. 3
    A state of fullness, a great quantity (of something). figuratively

    "He lay on the long stone slant down to the slapping waves, his denim shorts, sneakers, and socks under his head for a pillow, feeling the splendour of distance in all directions, the liquid silence, the plenum of aloneness."

  4. 4
    a meeting of a legislative body at which all members are present wordnet
  5. 5
    A legislative meeting (especially of the Communist Party) in which all members are present.
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  1. 6
    An enclosed space having greater than atmospheric pressure.
  2. 7
    The space above a false ceiling used for cables, ducts etc.
  3. 8
    A type of network cabling which satisfies a given plenum rating for the purpose of fire safety.

Etymology

From Latin plēnum n (“space filled with matter”), from plēnus (“full”). The sense of "legislative meeting" is a semantic loan from Russian пле́нум (plénum, “plenary session”), from the same Latin source.

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