| Acronym | Meaning |
| LISPS | Laser-induced Shock Wave Plasma Spectroscopy |
| IRBP | Interstitial Retinol-binding Protein |
| PMTDI | Provisional Maximum Tolerable Daily Intake |
| NHOMO | Next Highest Occupied Molecular Orbital |
| HREELS | High-resolution Electron Energy-loss Spectroscopy |
| STAPPA | State And Territorial Air Pollution Program Administrators |
| IBA | Ion Beam Analysis |
| DINA | Diisononyl Adipate |
| CNDO/2-U | Universal CNDO/2 (extended To Full Periodic Table) |
| GDWB | Generalized Distorted-wave Born (approxn. Or Theory) |