| Acronym | Meaning |
| BI | Bond Increment (method In Calcns. On Large Molecules) |
| CTGF | Connective Tissue Growth Factor |
| ERCS | Elastic Recoil Coincidence Spectroscopy |
| EMD | Electrochemically (manufd.) Manganese Dioxide |
| UARS | Upper Atmosphere Research Satellite |
| VRPA | Variational Random Phase Approxn. |
| CCSC | Charge And Configuration Self-consistency |
| RMT | Random Matrix Theory |
| SRC | Selective Reduction Catalysts (for Denitration) |
| LDS | Leak Detection System |