The meaning of the Acronym STO is...

STO is

• Storage
• Stage To Orbit
• Stow

More Meanings For STO:

• Store
• Pascal stub Object file
• Security Through Obscurity
• Space Tornado Ogawa
• Slater Type Orbitals
• Special Tournaments Options
• Similar Tamarack Onto
• Step Take Over
• Slater Type Orbital
• Shoveling Turds Outside
• State The Obvious
• Science and Technology Objective
• Special Team Operations
• Storage
• Survive To Operate

STO is also in:

• Assembly
• File Extensions
• Funnies
• Military
• Security
• Unfiled