The meaning of the Acronym PSD is...

PSD is

• Practical Self Defense
• Personal And Social Development

More Meanings For PSD:

• Adobe Photoshop format Bitmap graphics
• Periscope Debugger Definition file
• Performance Stretching Device
• Prevention of Significant Deterioration
• Programmable System Device
• Packaged Software Development
• Particle Size Distribution
• Pulse Shape Discrimination
• Power Spectral Density
• Position Sensitive Detector
• Position Sensitive Detector
• Position Sensitive Detector
• Printing Something Dumb
• Particle Size Distribution
• Phantom Souls Domain

PSD is also in:

• Adults
• Chemistry
• Construction
• Electronics
• File Extensions
• Funnies
• General
• Hardware
• Meteorology
• Networking
• Ocean Science
• Software