| Acronym | Meaning |
| SAC | Spectral Absorption Coeff. |
| IAETL | International Association Of Environmental Testing Laboratories |
| DOCA | Deoxycorticosterone Acetate |
| CIV | Critical Ionization Velocity (ionosphere) |
| EPS | Expanded Polystyrene |
| DF-SCF | Dirac-Fock Self-consistent Field |
| BGE | Background Electrolyte |
| FMS | Frequency Modulation Spectroscopy |
| NABSA | Nucleic Acid Based Sequence Amplification |
| UCCSD | (spin) Unrestricted CCSD |