| Acronym | Meaning |
| CNDO/S | Complete Neglect Of Differential Overlap/spectroscopic |
| NISO | National Information Standards Organization |
| PISA | Pharmaceutical Information Systems Association |
| CPV | Cytoplasmic Polyhedrosis Virus |
| HGF | Hepatocyte Growth Factor |
| GCS | Geo-Common Subsystem (subsystem Of AIRS) |
| SPM | Scanning Probe Microscopy |
| EFGF | Electric Field Gradient Focusing |
| MOMBE | Metal Organic Molecular-beam Epitaxy |
| RCNDO | Rydberg CNDO |