| Acronym | Meaning |
| DQC | Decagonal Quasicrystal |
| DTC | Differential Thermal Calorimetry |
| BIRD | Blackbody Infrared Radiative Dissociation |
| BATEA | Best Available Technology Economically Achievable |
| PCM | Phase Contrast Microscopy |
| ORD | Office Of Research And Development (USEPA) |
| AGCM | Adiabatic Generator Coordinate Method (for Energy Level Calcn.) |
| CMC | Coupled Multiconfiguration |
| SESFOD | Selective Excitation With Single Frequency Off Resonance Decoupling |
| ODEX | Optical Dynamics Experiments |