plenum
UK /ˈpliːnəm/ · US /ˈplɛnəm/ noun
Forms plenums plena
- noun (physics) A space that is completely filled with matter.
- noun (figuratively) A state of fullness, a great quantity (of something).
- noun A legislative meeting (especially of the Communist Party) in which all members are present.
- noun An enclosed space having greater than atmospheric pressure.
- noun The space above a false ceiling used for cables, ducts etc.
- noun (computing) A type of network cabling which satisfies a given plenum rating for the purpose of fire safety.
Antonyms
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.
Webster’s 1913
- noun That state in which every part of space is supposed to be full of matter; --opposed to vacuum. G. Francis.
Etymology [L., fr. plenus full.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “plenum”, CC BY-SA 4.0. Details