| FER | German botanist who is generally recognized as founding bacteriology when he recognized bacteria as plants |
|---|---|
| FER | Portuguese navigator in the service of Spain |
| FER | King of Castile and Leon who ruled jointly with his wife Isabella I |
| FER | King of Castile and Leon who achieved control of the Moorish kings of Saragossa and Seville and Toledo (1016-1065) |
| FER | King of Castile and Leon who ruled jointly with his wife Isabella I |
| FER | French romantic painter (1798-1863) |
| FER | a change in the electrical properties of the skin in response to stress or anxiety |
| FER | Hungarian playwright (1878-1952) |
| FER | trade name of a drug rich in iron |
| FER | a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals |
| FER | a weekday on which no feast is celebrated |
| FER | of or relating to or being a feria |