FEG
FEG most often stands for Field Emission Gun, a high‑brightness electron source used in electron microscopy, while the same letters also identify the Fergana region of Uzbekistan and various organizations such as Fletcher Challenge Engineering Division or Guatemalan educational foundations.
Miscellaneous
Fair Entitlements Guarantee
Fegyver es Gepgyar
Fan Efficiency Grade
Fighting and Entertainment Group
Fan efficiency grades
Freedom Equity Group
Fuel Economy Guide
Fox Entertainment Group