n. A drug originally taken in the form of powder ("dust") for its hallucinogenic effects.
Syn. -- phencyclidine hydrochloride, angel dust. [ WordNet 1.5 ]

n. (Computers) A personal computer; a computer{ 2 } designed for use by one person at a time; -- contrasted with shared-time computers such as mainframes and minicomputers, which may be accessed by multiple users each operating from a different input device (in the 1990's, usually a terminal). A personal computer typically uses a microprocessor for its CPU. [ Initialism ]
Syn. -- personal computer, microcomputer. [ WordNet 1.5 +PJC ]

pos>a. An initialism for politically correct. [ Initialism ]
Syn. -- P. C., politically correct. [ PJC ]

n. [ Abbreviation of percent. ] Percent; a fractional proportion, multiplied by 100. [ abbreviation ]
Syn. -- percentage, percent, per cent. [ WordNet 1.5 ]