| Acronym | Meaning |
| BTV | Breakthrough Volume (sorption Capacity Measurement) |
| MTX(ALPHA) | Muffin-tin X(alpha) Statistical Exchange |
| AODP | Advanced Ocean Drilling Program |
| SUVR | Solar Ultraviolet Radiation |
| SOP | Split-operator Propagator |
| CC-CI | Cluster Corrected-configuration Interaction |
| IT | Integral Transform |
| QDT | Quantum-defect Theory |
| NARL | National Air And Radiation Laboratory |
| ACEMS | Angular Conversion Electron Moessbauer Spectroscopy |