the proposition that all the laws of physics are unchanged by the combined operations of charge conjugation (C), space inversion (P), and time reversal (T).
PCI Configuration Utility 1. power control unit 2. progressive care unit
Automotive. 1. . abbreviation (in Britain) 1. passenger carrying vehicle packed cell volume
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- PCV valve
noun, Automotive. 1. a valve used to control and direct the flow of gases during positive crankcase ventilation.