| Acronym | Meaning |
| CLS | Core Level Spectroscopy |
| JKR | Johnson-Kendall-Roberts Contact Model |
| CETTP | Complex Effluent Toxicity Testing Program (US EPA) |
| NGCC | Natural Gas Combined Cycle |
| CIM | Computer-integrated Manufacturing |
| AAEC | Australian Atomic Energy Commission |
| HTSS | Hierarchical Tree Substructure Search |
| CEA | Cost-Effectiveness Analysis |
| DTDA | Differential Thermal Desorption Analysis |
| CCWP-J | Close Coupling Wave Packet [in Total Angular Momentum] J [representation] (for Collision Calcns.) |