| Acronym | Meaning |
| MRF | Municipal Recycle Facility |
| IBV | Infectious Bronchitis Virus |
| QAPW | Quadratic Augmented Plane Wave (in Band-structure Calcn.) |
| OHAO | Orthogonalized Hybrid Atomic Orbital |
| IEH | Intermediate Effective Hamiltonian |
| SMSX(ALPHA) | Overlapping-sphere Multiple-scattering X(alpha) |
| GLS | Generalized Least Squares |
| MOPA | Master Oscillator Power Amplifier |
| GCRIO | Global Change Research Information Office |
| SIRM | Scanning Infrared Microscope |