Plenum

/ˈplɛnəm/

Meaning & Definition

noun

A space or a cavity that is filled with matter, typically air, that is used in the context of ventilation or air handling systems.

The HVAC system relies on a plenum to distribute conditioned air throughout the building.

A complete or full state; often used in opposition to a vacuum.

The theater was filled to plenum with an enthusiastic audience.

An assembly or meeting of all members, often used in legislative or formal contexts.

During the plenum, all committee members voiced their opinions on the proposed legislation.

From Latin 'plenus' meaning 'full'.

in plenary session

Refers to a meeting where all members are present.

plenum chamber

A space that is fully filled with gas or liquid, particularly in engineering.

plenary

Referring to an assembly attended by all participants.

plenitude

The state of being full or complete.

Full house

When the theater is full, we say it's a plenum show.

Meeting of the minds

We're having a plenum of ideas at the brainstorming session.