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 (plē′nəm, plĕn′əm)
n. pl. ple·nums or ple·na (plē′nə, plĕn′ə)
1. An assembly or meeting with all members present.
2. A condition, space, or enclosure in which air or other gas is at a pressure greater than that of the outside atmosphere.
3. The condition of being full; fullness.
4. A space completely filled with matter.
5. A space lying above the ceiling in a building but below the next floor, especially one allowing movement of air between parts of the building.

[Latin plēnum (spatium), full (space), neuter of plēnus; see pelə- in Indo-European roots.]


n, pl -nums or -na (-nə)
1. (General Physics) an enclosure containing gas at a higher pressure than the surrounding environment
2. (Government, Politics & Diplomacy) a fully attended meeting or assembly, esp of a legislative body
3. (Philosophy) (esp in the philosophy of the Stoics) space regarded as filled with matter. Compare vacuum1
4. the condition or quality of being full
[C17: from Latin: space filled by matter, from plēnus full]


(ˈpli nəm, ˈplɛn əm)

n., pl. ple•nums, ple•na (ˈpli nə, ˈplɛn ə)
a. the space in which a gas, usu. air, is contained at a pressure greater than atmospheric pressure.
b. the gas in such a state.
2. a full assembly, as a joint legislative assembly.
3. a space serving as a receiving chamber for heated or cooled air.
[1670–80; < Latin, neuter of plēnus full1, in the phrase plēnum(spatium) full (space)]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plenum - a meeting of a legislative body at which all members are present; "the plenum will vote on all tax increases"
group meeting, meeting - a formally arranged gathering; "next year the meeting will be in Chicago"; "the meeting elected a chairperson"
2.plenum - an enclosed space in which the air pressure is higher than outside
enclosure - a structure consisting of an area that has been enclosed for some purpose


[ˈpliːnəm] N (plenums or plena (pl)) → pleno m


nPlenum nt, → Vollversammlung f
References in periodicals archive ?
Provide and install all labor, tools material and accessories for a complete wireless solution including cabling for all wireless access point locations as indicated in the wireless predictive site survey that will include, but not be limited to, network switches, CaT5e plenum cable, patch panels, patch cords, racks, UPS s, etc.
Teknor Apex has recently launched a new PVC jacket compound that is made flexible with a plasticiser based on renewable plant-based resources, which it says will help manufacturers of plenum cable to reduce their carbon footprint.
Based on 900 [micro]m tight buffered designs, FiberStore's Indoor/Outdoor Plenum cable eliminates the need for costly and time-consuming installation of fanout kits or pigtail splices since the connectors terminate directly to the fiber.
Called FluoroFoam, the pellets are a UL-recognized component for plenum cable insulation.
Cable Components Group (CCG), Pawcatuck, Connecticut, USA, has introduced a new fluorinated ethylene propylene (FEP)-based pellet in a concentrated masterbatch to chemically foam insulations for plenum cable applications.
With all that we know today about the toxic nature of Teflon, FEP and PFOA, it astounds me that the policy and code makers in North America have ignored the toxicity of plenum cable flame retardants," he adds.
Cable-ADC's high-performance riser and plenum cable supports backbone and horizontal applications.
Removal of abandoned cable is focused primarily on Plenum cable (CMP).
The plenum cable runners for the RapidRun modular cabling system range from 15 feet to 100 feet.
The United Nations is seeking qualified companies to provide electrical diagnostic tools and supplies with the following specifications: -Fluke Ti 400 infrared Camera High temp measurement up to 2192AF (1200AC) 76,800 pixels (320 x 240) Accuracy: A2AC or 2% High resolution 640x480 capacitive touch screen 12A x 9A field of view Streaming video (USB and HDMI) 60Hz image capture frequency -Infrared thermometer, Fluke 561 -Digital multimeter, Amprobe AC40B -UV leak detection kit, Yellowjacket LED Micro UV #68790 -Carbon monoxide detector, UEi #C071A -Electrical cable, 12-3, 250 ft roll, Romex 12-3 -Electrical cable, 12-2, 250 ft roll, Romex 12-2 -CAT6 plenum cable, qty 1000 ft, pullout box, UTP -Electrical surge protectors
From the design of the “Easy-Feed” box down to the engineering of the twisted pairs, the 100 MHz plenum cable is installer-friendly and its performance exceeds its 100 MHz rating.
With CAT 5e plenum cable as the only specific requirement, Goede relied on the Graybar team to select a structured cabling solution.