| Acronym | Meaning |
![](file.png) | GEASIC | Gradient-expansion Approxn. Self-interaction Correction (functional |
![](file.png) | GECSC | Generalized Exponential Cosine Screened Coulomb (potential) |
![](file.png) | GEENET | Global Environmental Epidemiology Network |
![](file.png) | GEF | Guanine Nucleotide Exchange Factor |
![](file.png) | GEH | Generalized Effective Hamiltonian |
![](file.png) | GEIA | Global Emissions Inventory Assessment |
![](file.png) | GEIS | Generic Environmental Impact Statement |
![](file.png) | GEK | Geomagnetic Electrokinetograph |
![](file.png) | GEKT | Generalized Extended Koopmans Theorem |
![](file.png) | GEM | Gas Electron Multiplier |
![](file.png) | GEM | Gene Expression Microarray |
![](file.png) | GEM | Genetically Engineered Microorganism |
![](file.png) | GEMAP | Geocoded Emission Modeling And Projection |
![](file.png) | GEMI | Global Environmental Management Initiative |
![](file.png) | GEML | Gene Expression Markup Language |
![](file.png) | GEMMA | Gas-phase Electrophoretic Mobility Molecular Analysis |
![](file.png) | GEMS | Global Environmental Monitoring Systems |
![](file.png) | GEMS | Graphical Exposure Modeling System |
![](file.png) | GEMS | General Energy And Material Balance System [model] |
![](file.png) | GENESIS | Global Environmental And Ecological Simulation Of Interactive Systems |
![](file.png) | GEO | Gene Expression Omnibus |
![](file.png) | GEO | Geostationary Earth Orbit |
![](file.png) | GEOS | General Earthquake Observation System |
![](file.png) | GEOS | Goddard Earth Observing System |
![](file.png) | GEOSECS | Geochemical Ocean Sections |
![](file.png) | GEP | Good Engineering Practice |
![](file.png) | GERD | Gastroesophageal Reflux Disease |
![](file.png) | GERM | Geochem. Earth Ref. Model |
![](file.png) | GESAMP | Group Of Experts On The Scientific Aspects Of Marine Pollution |
![](file.png) | GETE | Global Environmental Technology Enterprise |
![](file.png) | GEWEX | Global Energy And Water Cycle Experiment |
![](file.png) | GEXRF | Grazing-emission X-ray Fluorescence |
![](file.png) | GEXRS | Grazing-exit X-ray Spectrometry |
![](file.png) | GFA | Glass-forming Ability |
![](file.png) | GFAA | Graphite Furnace Atomic Absorption |
![](file.png) | GFAAS | Graphite Furnace Atomic Absorption Spectroscopy |
![](file.png) | GFAP | Glial Fibrillary Acidic Protein |
![](file.png) | GFC | Gel Filtration Chromatography |
![](file.png) | GFCI | Ground Fault Circuit Interrupter |
![](file.png) | GFCM | Green-function Cellular Method |
![](file.png) | GFCR | Gas Filter Correlation Radiometry |
![](file.png) | GFCS | Gas Filter Correlation Spectroscopy |
![](file.png) | GFDL | Geophysical Fluid Dynamics Laboratory |
![](file.png) | GFEMO | Generalized Free Electron Molecular Orbital |
![](file.png) | GFF | Green Function Formalism |
![](file.png) | GFF | Glass Fiber Filter |
![](file.png) | GFFF | Gravitational Field-flow Fractionation |
![](file.png) | GFIS | Gas Field Ion Source |
![](file.png) | GFMC | Green Function Monte Carlo (quantum Method) |
![](file.png) | GFMT | Green Function Muffin Tin (method In Electronic Structure Study) |