The meaning of the Acronym TG is...

TG is

• ThermoGravimetry
• Transmission Grating
• Test Group
• Tone Generator

More Meanings For TG:

• Technical Guidance (NRC Inspection Manual)
• Technical Graphics
• Transparent GIF
• Time for Graphic to appear
• Top Graphic
• Trunk Group
• Tough Guy
• Thank God
• Trans Gender
• Terrible Grammar
• Two Guys
• Tongue and Groove
• Tree Granule
• Transition Graph
• Transformation of Generic

TG is also in:

• Architecture
• Botany
• Chat
• Chemistry
• File Extensions
• General
• Networking