plenum
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plenum
- /ˈpliːnəm/ UK
- /ˈplɛnəm/ US
- /ˈplinəm/ US
Rhymes with -iːnəm, -ɛnəm
Where it comes from
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.
noun plenums · plena
-
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.
Opposite: vacuum
- A state of fullness, a great quantity (of something). 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.
- 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 a given plenum rating for the purpose of fire safety.
Translations
Every language
noun a state of fullness, a great quantity (of something)
| 日本語 | 充実 jūjitsu |
|---|---|
| 中文 | 充滿 /充满 chōngmǎn, 充實 /充实 chōngshí |
| Русский | полнота́ polnotá |
noun a legislative meeting (especially of the Communist Party) in which all members are present
| Español | pleno |
|---|---|
| 한국어 | 총회 chonghoe |
| 日本語 | 総会 sōkai, 全体会議 zentaikaigi |
| 中文 | 全體會議 /全体会议 quántǐ huìyì, 全會 /全会 quánhuì |
| Deutsch | Plenum |
| Ελληνικά | ολομέλεια oloméleia |
| Русский | пле́нум plénum |
noun space above a false ceiling used for cables, ducts etc.
| 日本語 | プレナム purenamu |
|---|
noun type of network cabling which satisfies a given plenum rating
| 日本語 | プレナム purenamu |
|---|
Talk about this word "plenum." Wiktionary, via Micwyn, micwyn.com/word/plenum. Accessed 6 Nov. 2026. plenum. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/plenum "plenum." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/plenum.Cite this
@misc{plenum_2026,
title = {plenum},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/plenum},
urldate = {2026-11-06}
}
