The meaning of the Acronym STO is...

STO is

• Slater Type Orbitals
• Special Tournaments Options
• Similar Tamarack Onto
• Step Take Over
• Slater Type Orbital
• Shoveling Turds Outside
• State The Obvious

More Meanings For STO:

• Still The One
• Service To Others
• Special Tournament Options
• Standing Take Over
• Store
• Pascal stub Object file
• Security Through Obscurity
• Science and Technology Objective
• Special Team Operations
• Storage
• Survive To Operate
• Storage
• Stage To Orbit
• Stow
• Special Touring Option

STO is also in:

• Assembly
• File Extensions
• Military
• NASA
• Religion
• Security
• Sports
• Transportation