| Acronym | Meaning |
| ISV | In Situ Vitrification |
| TLP | Tension Leg Platform |
| RS | Rayleigh Schroedinger (perturbation Theory) |
| PTS | Position-tagged Spectroscopy |
| HELP | Heuristic Evolving Latent Projection |
| MCSX | Multiconfiguration Single Excitation |
| HMPID | High Momentum Particle Identification Detector |
| IRBIC | Infrared Beam Induced Current |
| MECI | Multielectron Configuration Interaction |
| CPMCHF | Coupled Perturbed Multiconfiguration Hartree-Fock |