| Acronym | Meaning |
| VCB-CPA | Virtual Crystal Bandwidth-coherent Potential Approxn. (for Electronic-structure Calcns. On Alloys) |
| IRF | Instrument Response Function |
| AOU | Apparent Oxygen Utilization |
| COSY | Correlation Spectroscopy |
| NMOG | Non-Methane Organic Gases |
| PLID | Pulsed Laser Induced Desorption |
| ICLAS | Intracavity Laser Absorption Spectroscopy |
| ONBI | Oligonucleotide Bridge Intercalator |
| (SC)2CI | Self-consistent Size-consistent CI |
| IXS | International XAFS Society |