| 'Greek letter alpha' | angular acceleration; first [carbon atom next to the carbon atom bearing the active group in organic... |
|---|---|
| EM | early memory; ejection murmur; electromagnetic; electron micrograph; electron microscopy, electron m... |
| EXELFS | extended electron-loss line fine structure |
| at | air tight; atom, atomic |
| FAB | fast atom bombardment; formalin ammonium bromide; fragment, antigen-binding [of immunoglobulins]; Fr... |