英和和英

発音

• (英国発音) IPA: /ˈpliːnəm/
• (米国発音) IPA: /ˈplɛnəm/, /ˈplinəm/
• 韻: -iːnəm, -ɛnəm

名詞

plenum (plural plenums or plena)

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

   Antonym: vacuum

   • 1946, Bertrand Russell, A History of Western Philosophy:

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

   • 2001, Edward Grant, God and Reason in the Middle Ages, page 176:

     The key to understanding medieval interpretations of motion in hypothetically void space is to realize that medieval natural philosophers analyzed the same bodies in the void that they discussed in the plenum of their ordinary world.

2. (figuratively) A state of fullness, a great quantity (of something).
   • 1974, Guy Davenport, Tatlin!:

     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.

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

派生語

関連する語

アナグラム

• lumpen

形容詞

plēnum

1. inflection of plēnus:
   1. accusative masculine singular
   2. nominative/accusative/vocative neuter singular

名詞

plēnum n (genitive plēnī); second declension

1. (physics) plenum (a space that is completely filled with matter)

語形変化

Second-declension noun (neuter).

Further reading

• “plēnus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press