plenum
[ plee-nuhm, plen-uhm ]
/ ˈpli nəm, ˈplɛn əm /
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noun, plural ple·nums, ple·na [plee-nuh, plen-uh]. /ˈpli nə, ˈplɛn ə/.
the state or a space in which a gas, usually air, is contained at a pressure greater than atmospheric pressure.
a full assembly, as a joint legislative assembly.
a 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.
the whole of space regarded as being filled with matter (opposed to vacuum).
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Origin of plenum
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use plenum in a sentence
British Dictionary definitions for plenum
plenum
/ (ˈpliːnəm) /
noun plural -nums or -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 matterCompare vacuum (def. 1)
the condition or quality of being full
Word Origin for plenum
C17: from Latin: space filled by matter, from plēnus full
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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