Gross Domestic Product 
Global Drifter Programme 
Gross Domestic Product 
Ground Delay Program 
GARDEN PRODUCTS 
Gateway Discovery Protocol 
General Data Processor 
Generalized Documentation Processor 
Government Development Platforms 
General Data Products 
General Defense Plan 
Global Drifter Program 
Glow discharge plasma 
Good Distribution Practice 
Graphic Draw Primitive 
Ground Data Processing 
Galvanostatic Double-Pulse 
gamma ray detecting probe 
gamma-detecting probe 
GARP Data Processing 
gas distribution plate 
Gaseous diffusion plant 
gel diffusion precipitin 
gel diffusion precipitin test 
General Defense Point 
General Defense Position 
General Defense Positions 
general dental practice 
General Dental Practitioner 
general dental practitioners