What does QPO stand for?

What does QPO mean?

QPO	Quasi-Periodic Oscillation Academic & Science » Geology
QPO	Qua Patet Orbis International » Latin
QPO	Quick Purchase Order Business » General
QPO	Quick Purchase Order Business » International Business
QPO	Quick Purchase Order Governmental » Military
QPO	Quick Purchase Order Governmental » NASA
QPO	Quick Purchase Order Governmental » Transportation
QPO	Quick Purchase Order Governmental » US Government
QPO	Questionable Pet Owner Miscellaneous » Dogs Related
QPO	Questionable Pet Owner Community » Law
QPO	Quisque Pro Omnibus Governmental » US Government
QPO	Quality Purchasing Operations Business » General
QPO	Qualified Personnel Only Business » Positions
QPO	Potenza, Italy Regional » Airport Codes
QPO	Qatar Philharmonic Orchestra Community » Music
QPO	quasi-periodic oscillation Academic & Science » Astronomy