plenum
Americannoun
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plenums,
plural
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plena
plural
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the state or a space in which a gas, usually air, is contained at a pressure greater than atmospheric pressure.
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a full assembly, as a joint legislative assembly.
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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.
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the whole of space regarded as being filled with matter (opposed to vacuum).
noun
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an enclosure containing gas at a higher pressure than the surrounding environment
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a fully attended meeting or assembly, esp of a legislative body
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(esp in the philosophy of the Stoics) space regarded as filled with matter Compare vacuum
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the condition or quality of being full
Other Word Forms
Noun Inflected Forms
Etymology
Origin of plenum
1670–80; < Latin, neuter of plēnus full 1, in the phrase plēnum ( spatium ) full (space)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The report came ahead of the fourth plenum of the Chinese Communist Party this weekend reaffirming its “One China” principle and voting to designate Oct.
From MarketWatch ● Oct. 27, 2025
The readout of China’s recently concluded fourth plenum signals a continuation of current policy directions, with an emphasis on technology and innovation.
From The Wall Street Journal ● Oct. 24, 2025
To replace some of these officials, the party promoted 11 alternates to full membership of the Central Committee at this week’s plenum.
From The Wall Street Journal ● Oct. 23, 2025
The fourth such "plenum" to be held during the current Central Committee's 2022-2027 term, this session will focus on proposals for the 15th five-year plan on economic and social development, according to state media.
From Barron's ● Oct. 20, 2025
He had left the World a plenum, and he now finds it a vacuum.
From "The Invention of Science" by David Wootton
This represents tabula plena, or the "full slate."
From Science Daily ● May 3, 2026
The Puerto Rican star's musically ambitious Debí Tirar Más Fotos, fuses live instrumentation with the hip-swaying pulse of reggaeton, plena, salsa and a multitude of other Latin styles.
From BBC ● Jan. 31, 2026
But, Melendez-Badillo says, he's also a colonial subject -- a reality explored on "Debi Tirar Mas Fotos," which features an ingenious melange of traditional sounds including salsa, bomba and plena, with infusions of reggaeton.
From Barron's ● Jan. 31, 2026
The Latin Grammys, like their Anglo counterpart, often prize tradition over artistic daring; “Debí Tirar Más Fotos” pays homage to the past by incorporating classic Puerto Rican styles like bomba, plena and salsa.
From The Wall Street Journal ● Nov. 14, 2025
Popular items were the boxes on the floor filled with Spanish LPs from past decades, old mambo and salsa records, plena, bomba, Latin hits our parents would dance to.
From "Bodega Dreams" by Ernesto Quinonez
Since the Communist Party won control of mainland China in 1949, only four Central Committee plenums have promoted 10 or more alternates to full membership, including this week’s conclave, according to party records.
From The Wall Street Journal ● Oct. 23, 2025
The Central Committee is the largest of the Party’s top decision-making bodies, and its plenums typically take place once a year.
From Reuters ● Oct. 18, 2021
The intake plumbing feeds the dual plenums, like aluminum lungs atop the engine, that distribute air charge to the two throttle bodies.
From The Wall Street Journal ● Dec. 22, 2016
In fact, far from calling for a new constitution, the International High Representative is one of the most enthusiastic proponents of the citizens' plenums.
From BBC ● Mar. 13, 2014
There were no tangible signs of protest such as outward demonstrations, mass rallies, or disruptions during congresses, plenums, annual meetings, or regional conferences to show this alienation.
From Area Handbook for Bulgaria by Violeta D. Baluyut
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
