| Acronym | Meaning |
| CUS | Coordinatively Unsaturated Site |
| PCD | Polycrystalline Diamond |
| ORS | Odds Ratios |
| IRMP | International Remote Monitoring Program |
| AAL | Acceptable Ambient Level(s) |
| GIXA | Glancing-incidence X-ray Analysis |
| OGE | Optogalvanic Effect |
| BAW | Bulk Acoustic Wave |
| MBAS | Methylene Blue Active Substance (surfactant) |
| GCCP | Global Climate Change Program |