- parsec, an astronomical unit of distance (from "parallax-second")
- Percent or per cent
pC may mean:
- picocoulomb, an SI unit of electric charge equal to 10-12 coulomb
Codification
- Pacific Islands Trust Territory: ISO 3166 country code (obsolete since 1986; was split into Federated States of Micronesia, Marshall Islands, Northern Mariana Islands and Palau)
- "Patrol, Coastal", a US Navy hull classification symbol
- Penn Central, a railroad in the United States (AAR reporting mark PC)
- Pitcairn Islands: FIPS PUB 10-4 territory code
- Production code, a designation used to identify television episodes
People
- P. Chidambaram, finance minister of India
- Patrick Carpenter, a D.J. and one of the collaborators in the Ninja Tune recording outfit, DJ Food
- Pierre Cardin, fashion designer
- Frank PC (Howles), production coordinator at TGI Friday's 2001-2004
Science
- Principal component, in statistics (also PC1, PC2 etc.)
- petacoulomb, an SI unit of electric charge equal to 1015 coulombs
- Photonic crystal
- Polycarbonate
- Pubococcigeus muscle
Technology
- PC (interpreter), a brainfuck interpreter used by Georgia Institute of Technology
- Personal computer, a computer used and owned by a person
- IBM PC ("Personal Computer"), or IBM PC compatible (the latter is the computer component of the computing platform that makes up the majority of today's desktop and laptop computers)
- Phrozen Crew, a group of computer software crackers
- Pocket computer, a small programmable calculator (usually with a BASIC programming language)
- Program counter, a special type of register in a computer
- Programmable Controller (PLC)
- Prontor/Compur, a jack or plug for providing flash synchronization to a camera
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