plenum
noun/ˈplinəm/
Frequency rank: #16,052 of 20,003 in the WORDED list (wordfreq data)
Meaning
an enclosed space in which air or gas is maintained at a pressure slightly above atmospheric pressure, often used for air distribution in buildings.

Example sentence
The building's ventilation system routes air through the plenum before it is distributed to each room.
Synonyms & related words
More words in ranks 16,001–16,100
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