| Acronym | Meaning |
| MC-TD-SCF | Multiconfiguration-time Dependent-self-consistent Field |
| AU | Absorbance Units |
| HILDA | High-Latitude Exchange/Interior Diffusion-Advection Model |
| ASIC | Application Specific Integrated Circuit |
| FETI | Fluorescence Energy Transfer Immunoassay |
| FRAM | Ferroelectric Random Access Memory |
| AEA | Acoustic Emission Analysis |
| BDCT | Best Demonstrated Control Technology |
| LALIF | Laser Atomization/Laser Induced Fluorescence |
| PEPECO | Photoelectron-photoelectron Coincidence |