| Acronym | Meaning |
| PO-TDSE | Periodic Orbit-time Dependent Schroedinger Equation |
| SEP | Solar Energetic Particle (event) |
| LEC | Light-emitting Electrochemical Cell |
| NFE-TB | Nearly-free-electron Tight-bonding (for Electronic Structure) |
| FATES | FIRFA And TSCA Enforcement System (now Known As SSTS) |
| LOM | Laminated Object Manufacturing |
| DCP | Dual Circular Polarization |
| CE | Capillary Electrophoresis |
| ZAP | Zone Axis Pattern |
| JICST | Japanese Information Center Of Science And Technology |