- Pc-talk iii
communications, tool An MS-DOS communications program by Andrew Fluegelman. (1997-08-25)
Portable Common Tool Environment
language A visual programming language. (1997-08-25)
- PCT theorem
noun, Physics. 1. . noun 1. 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).