plenum

C2 Topic:Abstract Ideas

US /ˈplɛnəm/ UK /ˈpliːnəm/ See IPA manual

Freq #148916

Meanings

1

noun
a meeting attended by all members of a committee, legislature, or other body

The proposal will be debated at tomorrow’s plenum.
2

noun
an enclosed chamber containing air or another fluid at pressure above the surrounding pressure

A fan forces cool air into the plenum beneath the floor.
3

noun
a space completely filled with matter, especially in philosophy or physics

The philosopher imagined a plenum in which no void could exist.
4

noun
a condition of fullness or abundance

The garden offered a fragrant plenum of color and sound.

Thesaurus

Synonyms

1 noun · a meeting attended by all... plenary sessionfull sessionassembly

2 noun · an enclosed chamber... pressure chamberair chamber

3 noun · a space completely filled... filled spacecontinuum

4 noun · a condition of fullness or... fullness abundance plenitude

Opposites

vacuum void emptiness

Word family

Derived forms plenumsplenanonplenum

Related forms plenaryplenitude

Etymology

From Latin plēnum, ‘a full space,’ the neuter of plēnus, ‘full.’ The meeting sense developed through the idea of a session with the full membership present and was reinforced by Russian and German political usage.

Topics

Abstract Ideas

External links

# plenum

**Type:** Word
**Level:** C2
**Part of speech:** noun
**IPA (US):** /ˈplɛnəm/
**IPA (UK):** /ˈpliːnəm/
**Frequency rank:** 148916

## Meanings
1. a meeting attended by all members of a committee, legislature, or other body
2. an enclosed chamber containing air or another fluid at pressure above the surrounding pressure
3. a space completely filled with matter, especially in philosophy or physics
4. a condition of fullness or abundance

## Examples
- The proposal will be debated at tomorrow’s plenum.
- A fan forces cool air into the plenum beneath the floor.
- The philosopher imagined a plenum in which no void could exist.
- The garden offered a fragrant plenum of color and sound.

## Synonyms
- plenary session
- assembly
- pressure chamber
- fullness
- abundance

## Antonyms
- vacuum
- void
- emptiness

## Derived Forms
- plenums
- plena
- nonplenum

## Related Forms
- plenary
- plenitude

## Etymology
From Latin plēnum, ‘a full space,’ the neuter of plēnus, ‘full.’ The meeting sense developed through the idea of a session with the full membership present and was reinforced by Russian and German political usage.

## Topics
- Abstract Ideas

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