| Abbreviation | Definition |
|---|---|
| EMC | Enclosure Management Controller |
| ENF | Elemental Nutrient Formula |
| EP | Extended Pruning |
| ER | Extinction Ratio |
| ERA | Ecologic Risk Assesment |
| EST | Expressed Sequence Tag |
| ETS | Electron Transport Chain |
| ETS | Electron Transport System |
| EUSW | EUropean Standard Winter wheat |
| F | Flower |
| FA | Fallen Ash |
| FAACS | Feasibility Assessment of Afforestation for Carbon Sequestration |
| Faboosh | Fabulous Bushes |
| FBI | Fungus, Bacteria, and Invertebrates |
| FBO | Field Botanists of Ontario |
| FBTS | Flowers By The Sea |
| FCFN | Forest Creek Farm and Nursery |
| FCGM | Flavobacterium Columnare Growth Medium |
| FD | Ferredoxin |
| FD | Floral Decoration |