Abbreviations that start with the letters: PI (1,234 entries)

		PI	3.1415926535	Academic & Science » Physics
		PI	3.1415926535	Academic & Science » Mathematics
		PI	Packet Interface	Computing » Hardware
		PI	Paducah and Illinois Railroad	Regional » Railroads
		PI	Page Impression	Internet
		PI	Pages In	Computing » Assembly
		PI	Paranormal Investigator	Business » Positions
		PI	Pareto Improved	Academic & Science » Mathematics
		PI	Parity Inner	Computing » Hardware
		PI	Participating Informant	Community » Law
		PI	Paternity Index	Community » Law
		PI	Path Identifier	Computing » Networking
		PI	Patternology International	Business » Firms
		PI	Payload Interrogator	Governmental » NASA
		PI	Pen and Ink (Document Update)	Governmental » NASA
		PI	Penile Implant	Medical » Physiology
		PI	Per Inquiry	Governmental » US Government
		PI	Performance Improvement	Business » General
		PI	Performance Index	Business » General
		PI	Performance Indicator	Business » Stock Exchange
		PI	Performance Indicator	Governmental » Police
		PI	Perlite Institute	Community » Professional Organizations
		PI	Permanently Identified	Community » Law
		PI	Perpetual Idiosy	Medical » Physiology
		PI	Personal Idiot	Miscellaneous » Adults
BTW, Why won't you become an editor?