| Acronym | Meaning |
| PET | Positron Emission Tomography |
| TCDW | Target Continuum Distorted-wave (in At.-collision Calcns.) |
| MAO | Modified Atomic Orbital |
| CZCS | Coastal Zone Color Scanner |
| QTL | Quantitative Trait Loci |
| ERDA | US Energy Research And Development Administration |
| HRC | Rockwell Hardness (C Scale) |
| MMT | Methylcyclopentadienylmanganese Tricarbonyl |
| SDQ-MBPT | Single (and) Double (and) Quadruple (substituted States) Many-body Perturbation Theory |
| CSD | Crystal Size Distribution |