| Acronym | Meaning |
| WSIA | Water Supply Improvement Association |
| MS | Molecular Spinor |
| ECAMSI | Electron Configuration Analysis For Many-system Interactions |
| QRPA | Quadratic Random Phase Approxn. |
| IDDM | Insulin-dependent Diabetes Mellitus |
| EPEC | Enteropathogenic Escherichia Coli |
| QEEC | Quasimol. Extended Elementary Cell (for Electronic Structure Calcns. Of Crystals) |
| SPOS | Solid Phase Organic Synthesis |
| SPUMPN | Single-annihilation Procedure Unrestricted Moeller-Plesset Nth-order |
| CONFU | Conference On Fair Use |