| Abbreviation | Definition |
|---|---|
| EFSB | Energy Facilities Siting Board |
| EFSB | Elizabethton Federal Savings Bank |
| EFT | Endometrial Function Test |
| EFT | Equivalent Full Time |
| EFT | Electronic Fund Transfer |
| EFT | Electronic Funds Transfer |
| EFTA | European Free Trade Association |
| EFTO | Encrypted for Transmission Only |
| EFTPOS | Electronic Funds Transfer Point Of Sale |
| EFTPS | Electronic Federal Tax Payment System |
| EFTS | Electronic Funds Transfer System |
| EFV | Efavirenz |
| EFW | Evanescent Floquet Wave |
| EFW | Estimated Fetal Weight |
| EFWA | Educational Foundation for Women in Accounting |
| eg | exempli gratia (for example) |
| EG | Ethylene Glycol |
| EG | Evidence Gatherer |
| EGA | Enhanced Graphics Adapter |
| EGA | Estimated Gestational Age |
| EGADS | Edwards Geophysical Analysis Display System |
| EGC | Experiments Ground Compute |
| EGC | Early Gastric Cancer |
| EGCS | Early Gastric Carcinomas |
| EGD | Electronic Government Directorate |
| EGDS | Ethylene Glycol DiSstearate |
| EGE | Ethylene Glycol Ether |
| EGF | Epidermal Growth Factor |
| EGF | Epithelial Growth Factor |
| EGG | Energy Gradient Growth |
| EGL | English as a Global Language |
| EGM | extraordinary general meeting |
| EGN | Experimental Glomerulonephritis |
| EGO | Exhaust Gas Oxygen |
| EGPWS | Enhanced Ground Proximity Warning System |
| EGR | Energy Generation Region |
| EGR | Emission Gas Reduction |
| EGRET | Energetic Gamma Ray Explorer Telescope |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| EGS | Employment Guarantee Scheme |
| EGS | Education Guarantee Scheme |
| EGSE | Electrical Ground Support Equipment |
| EGT | Elapsed Ground Time |
| EGT | Estimated Ground Time |
| EGT | Exhaust Gas Temperature |
| EGT | Evidence Gathering Team |
| EGTA | Ethylene glycol bis(2-aminoethyl ether)tetraacetic acid |
| EGTA | Esophageal gastric tube airway |
| EGUN | Fast Pulse Electron Gun |
| EH | Enlarged Heart |