| Acronym | Meaning |
| SAC-CI | Symmetry-adapted Cluster Configuration Interaction (theory For Wave-function Expansion) |
| CMM | Compositionally Modulated Multilayers |
| CST | Central Standard Time |
| PSA | Pressure Swing Adsorption (gaseous Waste Treatment) |
| NLCR | Nonlinear Continuum Regression |
| LIPS | Laser-induced Plasma Spectroscopy |
| SCM | Spherical Cellular Model |
| FIT | Field Investigation Team (US EPA) |
| DECC | Diethylcarbamyl Chloride |
| MCH | Melanin Concentrating Hormone |