Definition of PLENUM

plenum

Meanings

Plural: plena, plenums

Noun

  • a meeting of a legislative body at which all members are present
    • "the plenum will vote on all tax increases"
  • an enclosed space in which the air pressure is higher than outside
  • A space that is completely filled with matter.
  • 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.
  • 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.

Origin / Etymology

From Latin plēnum, noun use of neuter of plēnus (“full”). The sense of "legislative meeting" is a semantic loan from Russian пле́нум (plénum, “plenary session”), from the same Latin source.

Antonyms

vacuum

Scrabble Score: 10

plenum is a valid Scrabble (US) TWL word
plenum is a valid Scrabble Word in Merriam-Webster MW Dictionary
plenum is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 15

plenum is a valid Words With Friends word