| Acronym | Meaning |
| LPP | Laser-produced Plasma |
| LOMI | Low Oxidation-state Metal Ions |
| CAI | Computer Aided Instruction |
| IMAPS | Interstellar Medium Absorption Profile Spectrograph |
| NHLBI | National Heart |
| LCO | Light Cycle Oil |
| PRTR | Pollutant Release And Transfer Register |
| IEM | Independent Electron Model (for Ionization In Ion-atom Collisions) |
| HSA | Hexanesulfonic Acid |
| IBA | Ion Beam Analysis |