| Acronym | Meaning |
| JAXA | Japan Aerospace Exploration Agency |
| VO/CI | Virtual Orbital/configuration Interaction |
| HIC | Hydrogen-induced Cracking |
| MTOR | Mammalian Target Of Rapamycin |
| HEXS | High-energy X-ray Scattering |
| GDS | Glow Discharge Spectrometer |
| ACOPS | UK Advisory Committee Of Oil Pollution Of The Sea |
| GSO | General Spin Orbital |
| HITC | 1,1',3,3,3',3'-hexamethylindotricarbocyanaine Iodide |
| SECI | Single Excitation Configuration Interaction |