| Acronym | Meaning |
| HCL | Hollow Cathode Lamp |
| NTI | National Toxics Inventory |
| MIDI-N | Split-type Contracted GTO Basis Set (n = 1 |
| ETSAP | Energy Technology Systems Analysis Program |
| ELO | Edge Localized Orbital |
| EPROM | Erasable Programmable Read Only Memory |
| STIS | Space Telescope Imaging Spectrograph |
| ASME | American Society Of Mechanical Engineers |
| TRFQ | Time-resolved Fluorescence Quenching |
| ROM | Reactive Oxygen Metabolite |