| Acronym | Meaning |
| SPARC | Secreted Protein Acidic And Rich In Cysteine |
| LHEA | Laboratory For High Energy Astrophysics |
| ARC | Advanced Regulatory Control |
| HFD-C | Hartree-Fock-dispersion With Repulsive SCF Component (intermol. Potential) |
| WANO | World Association Of Nuclear Operators |
| EGW | Electrogas Welding |
| UTP | Uridine 5'-triphosphate |
| PRISM | Parameter-related Internal Standard Method |
| GUGA | Graphical Unitary Group Approach |
| NAREL | National Air And Radiation Environmental Laboratory |