The meaning of the Acronym PSL is...

PSL is

• Propellant Seal
• Pressure Seal
• Perpendicular to the Sun Line

More Meanings For PSL:

• Public Software Library
• Permanent Seat License
• Process Specification Language
• Personal Seat License
• PolyStyrene Latex
• Porous Silicon Layer
• Physics Soccer League
• Pretty Stupid Logic
• Perverse Sexual Lust
• Perverted Sexual Lust
• Position Speed Look
• Puro Sangue Lusitano
• Parallel Stand Lumber
• Please Stop Losing
• Parallel Smaller Larger

PSL is also in:

• Adults
• Electronics
• Funnies
• General
• Software
• Unfiled
• Universities