| Acronym | Meaning |
| NVSS | NRAO VLA Sky Survey |
| NSPS | New Source Performance Standards |
| CHO | Complex Harmonic Oscillator (in Mol. Scattering Theory) |
| EMSL | Environmental Monitoring And Support Laboratory |
| EDW | Exponential Distorted Wave Approximation |
| SCCC | Self-consistent Charge And Configuration Method |
| RVS-SCF | Reduced Variational Space-self-consistent Field (in Quantum Calcns. On Hydrogen Bonding) |
| ESSP | Eddy Statistics Scientific Panel |
| IPMI | International Precious Metals Institute |
| SGPR | Specific Gas Production Rate |