The meaning of the Acronym GMT is...

GMT is

• Ground Moving Targets
• Greenwich Mean Time

More Meanings For GMT:

• Greenwich Mean Time
• Generic Mapping Tools
• Grounds Maintenance Tractor
• Glass Mat Thermoplastics
• Galaxy Mean Time
• Grand Master Time
• Good Mother Tincture
• Generic Mapping Tool
• Ghana Maybe Time
• Get Moving Today
• A Greenwich Moaning Time
• Gums Mouth Tonsils
• Greek Maybe Time
• A General Motor Transport
• A Greater Meridian Time

GMT is also in:

• Amateur Radio
• Farming
• Ocean Science
• Plastics
• Science Fiction
• Unfiled