The meaning of the Acronym SLS is...

SLS is

• Single Light Source
• Switch Level Simulator
• Sigma Lambda Sigma
• Sweet Little Sister
• Sodium Lauryl Sulphate
• Seville Luxaury Sedan
• A Superb Level Of Service
• Smells Like Sour
• Sport Luxury Sedan
• Super Leet Shit
• Second Language Studies

More Meanings For SLS:

• Strained Layer Silicon
• Selective Laser Sintering
• Supplemental Loan For Students
• Sales Corporation of America
• Shipping List Service
• Shipping Lists Service
• Surf Lifesaving
• Savior Of Lost Souls
• Site Log Submission
• Software Landings System
• Soft Landing Systems
• Statement Level Simulator
• Spacelab Simulator
• Spacelab Life Sciences
• Sortie Lab Simulator

SLS is also in:

• AMEX Symbols
• Electronics
• Firms
• General
• Military
• NASA
• Non-Profit Organizations
• Physics
• Religion
• Software
• Universities