The meaning of the Acronym GCOS is...

GCOS is

• General Comprehensive Operating System

More Meanings For GCOS:

• Global Climate Observing System
• Global Climate Observing System
• Global Climate Observation System
• Global Climate Observing Systems
• General Causality Orientations Scale
• Global Change Of Support
• General Comprehensive Operating System
• General Computer Operational System
• Ground Computer Operating System

GCOS is also in:

• Meteorology
• Military
• NASA
• Ocean Science
• Unfiled