| Acronym | Meaning |
| HAN | Halogenated Acetonitrile(s) |
| FCCU | Fluidized Catalytic Cracking Unit |
| DEFT | Driven Equilibrium Fourier Transform |
| SETB | Semiempirical Tight Binding |
| EMZDO | Exchange Modified Zero Differential Overlap |
| ABRE | Abscisic Acid-responsive Element |
| SDSL | Site-directed Spin Labeling |
| SAM | Scanning Acoustic Microscopy |
| AFB | Atmospheric Fluidized Bed |
| ERL-C | Environmental Research Laboratory Corvallis |