| Acronym | Meaning |
| OTIS | One-dimensional Transport With Inflow And Storage |
| BSF | Back Surface Field (solar Cell Structure) |
| LCGO | Linear Combination Of Group Orbitals |
| LERAM | Littoral Ecosystem Risk Assessment Model |
| KIMS | Kinetic Interaction Of Microparticles In Solution |
| NPC | Nasopharyngeal Carcinoma |
| IMMA | Ion Microprobe Mass Analysis |
| OGDR | Optogalvanic Double Resonance |
| OMEX | Ocean Margin Exchange |
| AFIS | Advanced Fiber Information System |