Thursday, February 23, 2012

February 23th, '12 Word

plenum

\ PLEE-nuhm \  , noun;
1.
A full assembly, as a joint legislative assembly.
2.
The state or a space in which a gas, usually air, is contained at a pressure greater than atmospheric pressure.
3.
A space, usually above a ceiling or below a floor, that can serve as a receiving chamber for air that has been heated or cooled to be distributed to inhabited areas.
4.
The whole of space regarded as being filled with matter (opposed to vacuum

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