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Plenum |
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plenum In a building, the space between the real ceiling and the dropped ceiling, which is often used as an air duct for heating and air conditioning. It is also filled with electrical, telephone and network wires. See plenum cable.plenum [′plenĀ·əm] (engineering) A condition in which air pressure within an enclosed space is greater than that in the outside atmosphere. plenum 1. In suspended ceiling construction, the space between the suspended ceiling and the main structure above. 2. A plenum chamber. Plenum a meeting of the entire membership of the elected ruling organ of an organization, such as a party, state, or labor organization. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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