The meaning of the Acronym SPR is...

SPR is

• Subtree Prune And Regraft
• Signor Pierzynski Replica
• Scope Partition Relation
• Shortest Path Routing
• Saving Private Ryan
• Strictly Positive Real

More Meanings For SPR:

• Sizzler Animation
• Sprint Document letter
• Generated executable screen file (FoxPro)
• Spreadsheet
• Sprite graphics image
• Specialist Registrar
• Semiconductor Process Representation
• Strict Positive Realness
• Surface Plasmon Resonance
• Stupid Phucking Robot
• Small Parcels and Rolls
• Subtree Prune And Regraft
• Signor Pierzynski Replica
• Scope Partition Relation
• Shortest Path Routing

SPR is also in:

• Academic Degrees
• Adults
• Electronics
• File Extensions
• Mathematics
• Physics
• Unfiled
• USPS