| Acronym | Meaning |
| ESTEC | European Space Research And Technology Centre |
| NO | Natural Orbital |
| PICP | Carboxyterminal Propeptide Of Type I Procollagen |
| RCR | Replication-competent Retrovirus |
| NVP | Newton Variational Principle |
| GRAM | Generalized Rank Annihilation Method |
| MEMTB | Many-electron Mol. Tight-binding (for Electronic Structures) |
| MOI | Multiplicity Of Infection |
| LPAS | Laser Photoacoustic Spectroscopy |
| LITJ | Laser-Induced Temperature Jump |