| Acronym | Definition |
|---|
| FEIM➣Frequency Electronics, Inc. |
| FEIM➣Fundación para Estudio e Investigación de la Mujer (Spanish: Foundation for Studies and Research on Women; Argentina) |
| FEIM➣Fédération Européenne des Investisseurs au Maroc (French: European Federation of Investors in Morocco) |
| FEIM➣Four-Electrode Impedance Measurements |