| Acronym | Meaning |
| RCCSD | (partially) Restricted CCSD |
| GID | Grazing Incidence Diffraction |
| CONTOUR | Comet Nucleus Tour |
| HPRT | Hypoxanthine Phosphoribosyltransferase |
| ELFFS | Excimer Laser Fragmentation-fluorescence Spectroscopy |
| ANOSIM | Analysis Of Similarity |
| APN | Aminopeptidase N |
| IGPP | Institute Of Geophysics And Planetary Physics |
| ELH | Egg-laying Hormone |
| GRPA | Generalized Random-phase Approximation |