| Acronym | Meaning |
| JAXA | Japan Aerospace Exploration Agency |
| TIWSLS | Time-independent Wave Packet Schroedinger (and) Lippmann-Schwinger (equation) |
| SA-LCAO | Symmetry-adapted Linear Combination Of Atomic Orbitals |
| UPW | Ultrapure Water |
| CCFET | Capacitively Controlled Field Effect Transistor |
| NIEHS | National Institute Of Environmental Health Science |
| LNO | Localized Natural Orbital |
| OEL | Occupational Exposure Limit |
| CDIAC | Carbon Dioxide Information Analysis Center |
| CARA | Chemical Assessments And Related Activities |