| G-CSF | Granulocyte Colony-stimulating Factor | - | Computer Acronyms(common) |
| G.P. | Guinier-Preston Zone | - | Computer Acronyms(common) |
| G1 | Gaussian-one (theory For Calcg. Mol. Energies) | - | Computer Acronyms(common) |
| G2 | Gaussian-two (an Ab Initio Mo Theory For Mol. Energies Calcn.) | - | Computer Acronyms(common) |
| G6PD | Glucose-6-phosphate Dehydrogenase | - | Computer Acronyms(common) |
| GA | Glauber Approximation (in Electron-atom Scattering) | - | Computer Acronyms(common) |
| GA | Genetic Algorithm | - | Computer Acronyms(common) |
| GABA | Gamma-aminobutyric Acid | - | Computer Acronyms(common) |
| GAC | Granular Activated Carbon | - | Computer Acronyms(common) |
| GACT | Generally Available Control Technology | - | Computer Acronyms(common) |
| GACT | Granular Activated Carbon Treatment | - | Computer Acronyms(common) |
| GAD | Glutamic Acid Decarboxylase | - | Computer Acronyms(common) |
| GADD | Growth Arrest And DNA Damage | - | Computer Acronyms(common) |
| GAEP | Generalized Atomic Effective Potential | - | Computer Acronyms(common) |
| GAGE | Global Atmospheric Gases Experiment | - | Computer Acronyms(common) |
| GAGP | Generalized Antisymmetrized Geminal Power (wave Function) | - | Computer Acronyms(common) |
| GAIIA | Global Alliance Of Information Industry Associations | - | Computer Acronyms(common) |
| GAIM | Global Analysis Interpretation And Modeling | - | Computer Acronyms(common) |
| GAIN | Global Agricultural Information Network | - | Computer Acronyms(common) |
| GALE | Genesis Of Atlantic Lows Experiment | - | Computer Acronyms(common) |
| GALEX | Galaxy Evolution Explorer | - | Computer Acronyms(common) |
| GALP | Good Automated Laboratory Practices | - | Computer Acronyms(common) |
| GALT | Gut-associated Lymphoid Tissue | - | Computer Acronyms(common) |
| GAM | Generalized Additive Model | - | Computer Acronyms(common) |
| GAMESS | General Atomic And Molecular Electronic Structure System | - | Computer Acronyms(common) |
| GAMETAG | Global Atmospheric Measurements Experiment Of Tropospheric Aerosols And Gases | - | Computer Acronyms(common) |
| GAMOT | Global Acoustic Mapping Of Ocean Climate | - | Computer Acronyms(common) |
| GAMP | Global Atmospheric Measurements Program | - | Computer Acronyms(common) |
| GANC | Generalized Acid Neutralization Capacity Test | - | Computer Acronyms(common) |
| GAO | General Accounting Office | - | Computer Acronyms(common) |
| GAPT | Generalized Atomic Polar Tensor | - | Computer Acronyms(common) |
| GAR | Grain Aspect Ratio | - | Computer Acronyms(common) |
| GARP | Global Atmosphere Resesarch Project | - | Computer Acronyms(common) |
| GASH | Guanidine Aluminum Sulfate Hexahydrate | - | Computer Acronyms(common) |
| GASP | Gamma Astronomy At The South Pole | - | Computer Acronyms(common) |
| GASPE | Gated Spin-echo | - | Computer Acronyms(common) |
| GATE | GARP Atlantic Tropical Experiment | - | Computer Acronyms(common) |
| GAW | Global Atmospheric Watch | - | Computer Acronyms(common) |
| GAXRD | Glancing Angle X-ray Diffraction | - | Computer Acronyms(common) |
| GBA | Generalized Born Approxn. | - | Computer Acronyms(common) |
| GBCD | Grain Boundary Character Distribution | - | Computer Acronyms(common) |
| GBERL | Gulf Breeze Environmental Research Laboratory | - | Computer Acronyms(common) |
| GBF | Gibbs-Bogolyubov-Feynman (variational Principle) | - | Computer Acronyms(common) |
| GBH | Gravel Bed Hydroponic System (for Wastewater Treatment) | - | Computer Acronyms(common) |
| GBIF | Global Biodiversity Information Facility | - | Computer Acronyms(common) |
| GBM | Glioblastoma Multiforme | - | Computer Acronyms(common) |
| GBM | Glomerular Basement Membrane | - | Computer Acronyms(common) |
| GBS | Guillain-Barre Syndrome | - | Computer Acronyms(common) |
| GBS | Generalized Bohr-Sommerfeld (quantization Method) | - | Computer Acronyms(common) |
| GBS | Grain Boundary Sliding | - | Computer Acronyms(common) |
| GBS | Group B Streptococci | - | Computer Acronyms(common) |
| GBT | Generalized Brillouin Theorem | - | Computer Acronyms(common) |
| GC | Gas Chromatography | - | Computer Acronyms(common) |
| GC | Guanine + Cytosine | - | Computer Acronyms(common) |
| GC-MS | Gas Chromatography-mass Spectrometry | - | Computer Acronyms(common) |
| GC/MS/DS | Gas Chromatography/mass Spectrometry/data System (Finnigan) | - | Computer Acronyms(common) |
| GCA | Generator Coordinate Approxn. | - | Computer Acronyms(common) |
| GCAM | Global Change Assessment Modeling | - | Computer Acronyms(common) |
| GCB | Graphitized Carbon Black | - | Computer Acronyms(common) |
| GCC | Global Climate Coalition | - | Computer Acronyms(common) |
| GCCP | Global Climate Change Program | - | Computer Acronyms(common) |
| GCDIS | Global Change Data And Information System | - | Computer Acronyms(common) |
| GCE | Ground-based Cloud Experiment | - | Computer Acronyms(common) |
| GCE | Glassy Carbon Electrode | - | Computer Acronyms(common) |
| GCEC | Global Change And Ecological Complexity | - | Computer Acronyms(common) |
| GCECD | Gas Chromatography Electron Capture Detector | - | Computer Acronyms(common) |
| GCEMC | Grand Canonical Ensemble Monte Carlo | - | Computer Acronyms(common) |
| GCFR | Gas-cooled Fast Reactor | - | Computer Acronyms(common) |
| GCG | Genetics Computer Group | - | Computer Acronyms(common) |
| GCHAZ | Grain-coarsened Heat-affected Zone | - | Computer Acronyms(common) |
| GCHF | Generator Coordinate Hartree-Fock | - | Computer Acronyms(common) |
| GCIB | Gas Cluster Ion Beam | - | Computer Acronyms(common) |
| GCL | Geosynthetic Clay Liner | - | Computer Acronyms(common) |
| GCLDA | Gradient-corrected Local Density Approximation | - | Computer Acronyms(common) |
| GCLSDA | Gradient-corrected Local Spin Density Approximation | - | Computer Acronyms(common) |
| GCM | General Circulation Model | - | Computer Acronyms(common) |
| GCM | Generator-coordinate Method | - | Computer Acronyms(common) |
| GCM | Global Climate Model | - | Computer Acronyms(common) |
| GCMC | Grand Canonical Monte Carlo | - | Computer Acronyms(common) |
| GCMFE | Glassy Carbon Mercury Film Electrode | - | Computer Acronyms(common) |
| GCMS | Gas Chromatography Mass Spectrometry | - | Computer Acronyms(common) |
| GCNF | Germ Cell Nuclear Factor | - | Computer Acronyms(common) |
| GCO | General Coupling Operator (in Calcns. Of Vector Coupling For Atoms And Ions) | - | Computer Acronyms(common) |
| GCOS | Global Climate Observing System (WMO | - | Computer Acronyms(common) |
| GCP | Good Clinical Practice | - | Computer Acronyms(common) |
| GCR | Galactic Cosmic Rays (spacecraft Orbit) | - | Computer Acronyms(common) |
| GCRIO | Global Change Research Information Office | - | Computer Acronyms(common) |
| GCS | Geo-Common Subsystem (subsystem Of AIRS) | - | Computer Acronyms(common) |
| GCSEL | Grating-coupled Surface-emitting Laser | - | Computer Acronyms(common) |
| GCSF | Granulocyte Colony-stimulating Factor | - | Computer Acronyms(common) |
| GCSOA | Gain-clamped Semiconductor Optical Amplifier | - | Computer Acronyms(common) |
| GCSOLAR | Green Cross Solar V1.1 | - | Computer Acronyms(common) |
| GCTE | Global Change And Terrestrial Ecosystems | - | Computer Acronyms(common) |
| GCTM | Global Chemical Transport Model | - | Computer Acronyms(common) |
| GCW | Groundwater Circulation Well | - | Computer Acronyms(common) |
| GD-OES | Glow Discharge Optical Emission Spectroscopy | - | Computer Acronyms(common) |
| GDA | Glow Discharge Atomization (for Atomic Absorption Spectrometry) | - | Computer Acronyms(common) |
| GDAAS | Glow Discharge Atomic Absorption Spectrometry | - | Computer Acronyms(common) |
| GDC | Global Drifter Center (of WOCE Data System) | - | Computer Acronyms(common) |
| GDC | Glow Discharge Cleaning | - | Computer Acronyms(common) |
