| Acronym | Meaning |
| ICM | Intracluster Medium |
| CAS-SCF | Complete Active Space SCF (a CI-type Method) |
| DIMOX | Direct Metal Oxidn. |
| CADD | Computer Aided Drug Design |
| SCAG | Southern California Association Of Governments |
| LPLC | Lift Plus Lift Cruise |
| GHSV | Gas Hourly Space Velocity |
| NICISS | Neutral Impact Collision Ion Scattering Spectroscopy |
| OLPGAA | On-line Prompt Gamma-ray Activation Analysis |
| GOR | Gas/oil Ratio |