Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An assembly or meeting with all members present.
- n. A condition, space, or enclosure in which air or other gas is at a pressure greater than that of the outside atmosphere.
- n. The condition of being full; fullness.
- n. A space completely filled with matter.
Century Dictionary and Cyclopedia
- n. The fullness of matter in space: the opposite of vacuum: also used to denote fullness in general.
- n. A quantity of a gaseous body in an inclosed space greater than would remain there under normal atmospheric pressure.
Wiktionary
- n. physics A space that is completely filled with matter.
- n. figuratively A state of fullness, a great quantity (of something).
- n. A legislative meeting (especially of the Communist Party) in which all members are present.
- n. An enclosed space having greater than atmospheric pressure.
- n. The space above a false ceiling used for cables, ducts etc.
- n. computing A type of network cabling which satisfies plenum-ratings issued by the National Electrical Code. These cables are safer in case of a fire, producing less smoke and fumes.
GNU Webster's 1913
- n. That state in which every part of space is supposed to be full of matter; -- opposed to
vacuum . - n. (Ventilation) A condition, as in an occupied room, in which the pressure of the air is greater than that of the outside atmosphere.
WordNet 3.0
- n. an enclosed space in which the air pressure is higher than outside
- n. a meeting of a legislative body at which all members are present
Etymologies
- From Latin plēnum, noun use of neuter of plēnus ("full"). Influenced by Russian пленум (plénum, "plenary session"), from the same Latin source. (Wiktionary)
- Latin plēnum (spatium), full (space), neuter of plēnus. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“But it is more usual to employ what is called the plenum process, in which air under high pressure is pumped into the caisson and expels the water, as in a diving bell.”
“The air runs through a massive bank of modular filters to remove dust and other contaminants before it circulates in a massive cavity, called a plenum, below its data center halls.”
“The flow typically proceeds from the throttle body into a chamber called the plenum, which in turn feeds individual tubes, called runners, leading to each intake port.”
Automotive News Blog at CARandDRIVER.com - Car News Resource
“A motorized rolling screen integrated in a plenum is the ultimate solution to transform a living room in a stunning Home Theater.”
“Here is life -- yours and mine -- a kind of plenum in vacuo.”
“Space, in Descartes 'view, is a' 'plenum' 'occupied by an ether, which, imperceptible to the senses, is capable of transmitting forces on material bodies immersed in it.”
“' plenum '' occupied by an ether, which, imperceptible to the senses, is capable of transmitting forces on material bodies immersed in it.”
“Second, the plenum gave more latitude to Chinese peasants to break free from the system of collective farms and to cultivate crops on individual plots through “side-occupations,” such as growing fruit and vegetables and raising livestock.7 Finally, the plenum made a nod in the direction of the need for a more independent judicial system to arbitrate the kind of disputes that would arise in a “new world of local commercial initiatives.””
“Crucially, the plenum recommended that authority should be “shifted from the leadership to the lower levels.””
“The plenum officially adopted the policy of “socialist modernization.””
Lists
These user-created lists contain the word ‘plenum’.
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Up In The Air @ Wordnik
List of words, terms, and phrases pertaining to or referencing anything that lives, traverses, moves in, uses, or otherwise occupies the space above the ground we walk on. Words and phrases contain...
aeroallergen, aerial, aerial mapping, aerial root, aerobe, aerobiology, aerobioscope, aelophilous, anemotropism, anemoclastic, anafront, antitrades and 273 more...
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Words
phantasmagoria, eviscerate, avast, simulacrum, varicose, oblique, gestalt, ersatz, vernal, vivace, stellate, synecdoche and 330 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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phrontistery - p
from phrontistery.info
pabouche, pabulous, pabulum, pacable, pace, pachydermia, pachyglossal, pachymeter, pachynsis, paciferous, pacificate, pactolian and 1766 more...
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EN-HU - important words for a HU inte...
Words only (I left out the expressions) from Geza Kerenyi's EN-HU interpreters' dictionary. Most of them pose some difficulty when interpreted between HU and EN in either or both directions.
abalone, abrasive, abstractionist, abstruse, abysmal, academia, accessibility, accessible, acclimate, accolade, accompanist, achiever and 1469 more...
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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It Gives
What follows is an exercise in ordinary eternal hyperlexity, prepared in the fashion of paper matches.
fixity, commonalia, fourchette, acroamatic, etiolate, exuviae, roguery, frustrum, plenum, lowlihood, knack, surd and 2 more...
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mckenna
rusticate, eschaton, sonata, plenum, adumbration, shockwave, peregrination, manifold, ingression, dross, negrato, crenulated and 30 more...
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Leibniz
Anything to do with Gottfried Wilhelm Leibniz.
Leibniz, Gottfried Wilhelm..., monad, stepped reckoner, Leibniz wheel, Stepped Reckoner, calculus, li, pandochal lens, cata-dioptric tube, Theodicy, theodicy and 29 more...
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Favorite Words
pablum, maundy, histrionic, adamant, ascribe, verbiage, insouciant, erudite, gregarious, superfluous, banal, obdurate and 280 more...
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catinthehat345's List
compere, reticle, colophon, miasma, eldritch, raconteur, plectrum, poltroon, vestibular, pastiche, cravat, acumen and 179 more...
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Congregation
Clusters, gatherings, and groups of humans.
alliance, circle, council, federation, fraternity, league, assembly, company, group, flock, crowd, mob and 99 more...
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The Last Werewolf
This novel by Glen Duncan, aside from being a ripping yarn and beautifully written, is just littered with words that I had to look up and discover that often his use of the word not only fitted per...
gurns, bok, chimney breast, dichotomy, Platonic form, filthy, Platonic Form, mathematics, BAM, skirls, clarity, blundering and 298 more...
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whitmanian
from the poetry and prose of walt whitman
celebrate, assume, loafe, grass, summer, distillation, atmosphere, undisguised, naked, mad, breath, loveroot and 291 more...
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drseatbelt's Words
bilious, centenarian, droll, palliative, cortege, stultify, polysemy, suffuse, lambent, timorous, aegis, modicum and 236 more...
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Words i had to look up
hermeneutics, flimflam, semi-parodic, motes, susurrations, phantasm, egregiously, monoglot, galluptious, exigency, agrimony, gibbous and 111 more...
Tweets
Looking for tweets for plenum.

Louises Their memories clog me like arterial fur. I'm full, I said to Harley. I have achieved a fucking plenum. From "The Last Werewolf" by Glen Duncan. Mar 1, 2012
yarb See citation on bombinate. Mar 28, 2008