The meaning of the Acronym SL is...

SL is

• signature (address) line

More Meanings For SL:

• Save Layout
• Speak Language
• Source Language
• Short Length
• S-Lang language source code file
• Source Statement Library
• Standard Library
• System Library
• Second Life
• Scots Lass
• Sky Light
• Short Lived
• Specification Limit
• Special Linear
• Super Lattice

SL is also in:

• Architecture
• Assembly
• Chat
• Chemistry
• Electronics
• File Extensions
• General
• Mathematics
• Physics
• Software