The meaning of the Acronym TSR is...

TSR is

• Total Species Richness

More Meanings For TSR:

• Top Structure Rename
• Terminate And Stay Resident
• Terminal Sender Router
• Tip Speed Ratio
• Terminate And Stay Resident
• Terabit Switch Router
• Telephone Special Range
• Total Species Richness
• Tough Shit Retard
• Toughened Silicone Resin
• Treatment Systems Research
• Thermo Sentron, Inc.
• Tim Stiles Racing
• Technology and Software Restricted License Exception
• Technical Support Representative

TSR is also in:

• Adults
• AMEX Symbols
• Assembly
• Botany
• Firms
• General
• International Business
• Laboratory
• Networking
• Plastics
• Positions
• Software
• Telecom