PLENUM

PRONUNCIATION: (PLEE-nuhm, PLEN-uhm)

MEANING: noun:
1. An assembly in which all members are present.
2. A space in which air or another gas is at pressure greater than the atmospheric pressure.
3. A space filled with matter, as contrasted with vacuum.
4. A space, above the ceiling or below the floor, that serves as a receiving chamber for heated or cooled air.

ETYMOLOGY: From Latin plenus (full). Earliest documented use: 1674.
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UP-LE-NUM - French for "Long Live What's-his-Name!"

PELENUM - soccer star couldn't feel anything on his forehead after so many years of trauma there

PHENUM - charges for services