| Acronym | Meaning |
| ELA | Experimental Lakes Area (northwest Ontario) |
| ODLRO | Off-diagonal Long-range Order |
| CDIAC | Carbon Dioxide Information Analysis Center |
| CLS | Core Level Spectroscopy |
| SIG | Special Interest Group |
| USANS | Ultra-small-angle Neutron Scattering |
| EMP | Electron Micro-probe |
| HWGTF | Hazardous Waste Groundwater Test Facility |
| RMM | Relative Molecular Mass |
| LPA | Local Plasma Approxn. (in Calcns. Of Stopping Powers For Ions By Films) |