| Acronym | Meaning |
| NBS | Nijmegen Breakage Syndrome |
| CID | Collision-induced Dissociation |
| UA | Unequilibrated Aggregate (interplanetary Dust Particle) |
| CCB | Calcium Channel Blocker |
| TNA | Thermal Neutron Analysis |
| CIOSC | Combined Intelligence Objectives Sub-Committee |
| SGO | Spherical Gaussian Orbital |
| CBM | Constant Boiling Mixture |
| AOB | Adiabatic Oxygen Bomb (calorimeter) |
| HGNC | HUGO Gene Nomenclature Committee |