| Acronym | Meaning |
| LOGMO | Lowest Occupied Gaussian Molecular Orbital |
| APO B | Apolipoprotein B |
| IPPP | Isopropylphenyl Phosphate |
| NISTO | Non-integer Slater-type Orbital |
| AHW | Atomic Hydrogen Welding |
| DIB | Dibutyl Chlorendate |
| FASTMAP | Fast Automatic Shimming Technique By Mapping Along Projections |
| POSAP | Position-sensitive Atom Probe |
| OVOS | Optimized Virtual Orbital Space Approximation (for Correlated Calcns.) |
| NSP | Non-starch Polysaccharide |