ple·​num | \ ˈple-nəm How to pronounce plenum (audio) , ˈplē- How to pronounce plenum (audio) \

Definition of plenum

1a : a space or all space every part of which is full of matter
b : an air-filled space in a structure especially : one that receives air from a blower for distribution (as in a ventilation system)
2 : a general assembly of all members especially of a legislative body
3 : the quality or state of being full

Examples of plenum in a Sentence

Recent Examples on the Web

Increasingly, critical fasteners like cylinder-head bolts, engine-mount fasteners and intake plenum bolts require what's referred to as torque-plus-angle tightening. Popular Mechanics Editors, Popular Mechanics, "How to Use a Torque Wrench to Keep Your Car from Flying Apart," 26 Feb. 2019 Even worse, the tank leak into the plenum isn't the only one. Joe Pappalardo, Popular Mechanics, "How a Small CubeSat Became the Unlikely Hero of the InSight Landing," 29 Nov. 2018 The move followed divisions that had emerged between senior ministers and Prime Minister Benjamin Netanyahu over the wording of the legislation proposal, which will be presented to the Knesset plenum from its second and third readings. Ariel Kahana, Jewish Journal, "Lawmakers back tougher version of terrorist wages bill," 27 June 2018 Consular officials sent out requests to CSSAs around the country to hold events related to the plenum., "China's long arm reaches into American campuses," 7 Mar. 2018 During the three-day plenum, top experts from several industries will discuss how design can help business and how design thinking can be implemented into 21st century strategy. Casey Quackenbush, Fortune, "'It's Not Just About Beautiful Objects.' How Design Helps Business," 6 Mar. 2018 Officials asked some groups to organize study sessions to discuss the party pronouncements coming out of the plenum., "China's long arm reaches into American campuses," 7 Mar. 2018 Chandler wrapped up the plenum with thanks to all of the conference’s supporters: the city of Singapore and its Design Council and Economic Development Board, McKinsey & Company (mckinsey, +0.00%), and WeWork (wework, +0.00%). Fortune, "'Bringing the Tribes of the Design Community Together.' Brainstorm Design 2018 Closes After Three Inspiring Days," 8 Mar. 2018 Attention at the plenum will also likely focus on Xi’s pick to lead the Financial Stability Development Committee, which was created last year to tackle China’s financial sector., "China Seeks to Repeal Term Limit, Opening Way for Xi," 25 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'plenum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of plenum

1678, in the meaning defined at sense 1a

History and Etymology for plenum

New Latin, from Latin, neuter of plenus

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Last Updated

30 Jul 2019

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The first known use of plenum was in 1678

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a usually brief trip or an expedition

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