It explains in computing terminology what PC means and is one of many hardware terms in the TechTerms dictionary. All definitions on the TechTerms website are written to be technically accurate but also easy to understand. If you find this PC definition to be helpful, you can reference it using the citation links above..Pc definition, picocurie picocuries. See more. An abbreviation for ” p olitically c orrect.” It refers to social, political, and educational changes designed to redress historical injustices in areas such as race, gender, ethnic background, andual orientation “Haven’t you read the latest directive on p.c. language?.What does the abbreviation pc stand for? Meaning parsec..Looking for online definition of PC or what PC stands for? PC is listed in the World’s largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary.