| Acronym | Meaning |
| TCXO | Temperature-compensated Crystal Oscillator |
| CSD | Charge State Distribution |
| FIV | Feline Immunodeficiency Virus |
| LSS | Laser Synchrotron Source |
| FCF | Franck-Condon Factor |
| HWLT | Hazardous Waste Land Treatment |
| EIIP | Emission Inventory Improvement Program |
| PDB | Peedee Belemnite |
| ECDL | External-cavity Diode Laser |
| ZIP | Zinc Impurity Photodetector |