General Equivalency Diploma 
General Educational Development 
General Education Development 
gas electron diffraction 
General Education Degree 
General Education Diploma 
Germanium Detector 
Global Ecosystem Dynamics 
Europe Air Lines 
Gasoline Engine Driven 
gas-phase electron diffraction 
gastric emptying duration 
gastric epithelial dysplasia 
General Development Education 
General Educational Diploma 
General Electric Capital Corporation 
general emergency department 
General Graphics Editor 
generalised exfoliative dermatitis 
generalized epileptiform discharges 
Get 'er Done 
Gln-enriched diet 
Global Event Detector 
Graduate Equivalence Diploma 
Graduate Equivalent Diploma 
Graves' eye disease 
Ground Equipment Depot 
Group Engineering Division 
GTPase effector domain 
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