PC-ism/P-C-izm/ A piece of code or coding technique that takes advantage of the unprotected single-tasking environment in IBM PCs and the like, e.g. by busy-waiting on a hardware register, direct diddling of screen memory or using hard timing loops. Compare ill-behaved, vaxism, Unixism. [Jargon File]
PCI Configuration Utility ♦ PCI Mezzanine Card ♦ PCI slot ♦ PC-ism ♦ PCjr ♦ PCL ♦ PCLIPS
Try this search on Wikipedia, Wiktionary, Google, OneLook.