| 'Greek letter alpha' | angular acceleration; first [carbon atom next to the carbon atom bearing the active group in organic... |
|---|---|
| RAI | radioactive iodine; radioactive isotope; resident assessment instrument; resting ankle index; right ... |
| at | air tight; atom, atomic |
| FAB | fast atom bombardment; formalin ammonium bromide; fragment, antigen-binding [of immunoglobulins]; Fr... |
| Ma | mass of atom |