Plenum

Plenum may refer to:

* Plenum chamber, a chamber intended to contain air, gas, or liquid at positive pressure * Plenism, or ''Horror vacui'' (physics) the concept that "nature abhors a vacuum" * Plenum (meeting), a meeting of a deliberative assembly in which all members are present; contrast with quorum * Plenum space, enclosed spaces (in buildings) used for airflow * Plenum cable, electrical wire permitted in plenum spaces per building codes * Plenum Publishing Corporation, a publisher of scientific books and journals * Plenum (physics), a space completely filled with matter * Undergravel filters, in aquarium filtration, an open space under a layer of gravel or sand * Air-mixing plenum, a place where ducts meet Provided by Wikipedia