| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024ple•num (plē′nəm, plen′əm),USA pronunciation n., pl. ple•nums, ple•na (plē′nə, plen′ə).USA pronunciation - Physicsthe state or a space in which a gas, usually air, is contained at a pressure greater than atmospheric pressure.
- Governmenta full assembly, as a joint legislative assembly.
- Buildinga space, usually above a ceiling or below a floor, that can serve as a receiving chamber for air that has been heated or cooled to be distributed to inhabited areas.
- Physicsthe whole of space regarded as being filled with matter (opposed to vacuum).
- Latin, neuter of plēnus full, in the phrase plēnum (spatium) full (space)
- 1670–80
Collins Concise English Dictionary © HarperCollins Publishers:: plenum /ˈpliːnəm/ n ( pl -nums, -na / -nə/)- an enclosure containing gas at a higher pressure than the surrounding environment
- a fully attended meeting or assembly, esp of a legislative body
- (esp in the philosophy of the Stoics) space regarded as filled with matter
Etymology: 17th Century: from Latin: space filled by matter, from plēnus full |