| Acronym | Meaning |
| CBOD | Carbonaceous Biochemical Oxygen Demand |
| GFQMC | Green Function Quantum Monte Carlo |
| MES | Methyl Ester Sulfonates (surfactants) |
| IDIMS | Interactive Digital Image Manipulation System |
| PSLC | Polymer-stabilized Liquid Crystal |
| PKC | Protein Kinase C |
| COHSEX | Coulomb-hole (plus) Screened-exchange (approxn. In Band-structure Calcns.) |
| RIGS | Radioimmunoguided Surgery |
| USPIO | Ultrasmall Superparamagnetic Iron Oxide |
| EPA | Extended Pair Approxn. (in Elec. Cond. Calcn.) |