| Acronym | Meaning |
| LIF | Leukemia Inhibitory Factor |
| CH-CI | Core Hole Configuration Interaction |
| CFS | Chronic Fatigue Syndrome |
| DF | Density Functional Formalism |
| FFM | Finite Field Method (in Mol. Polarizabilities Calcns.) |
| NSS | National Stream Survey (USA) |
| MIS | Mobile Incineration System |
| DDVP | Dimethyl Dichlorovinyl Phosphate (dichlorovos REG: 62737) |
| PSPR | Perfectly Stirred Pulsed Reactor |
| NIRS | Neutral Impact Radiation Spectroscopy |