| Acronym | Meaning |
| MEG4 | Multiexponentially Generated 4 (wave Functions) |
| PBO | Polarized Born-Oppenheimer |
| OGCM | Oceanic General Circulation Model |
| DCM | Decoupled Cell Monte Carlo (in Simulations On Quantum Systems) |
| LCAS MS | Linear Combination Of Atomic Spinors-molecular Spinors |
| NASQUAN | National Stream Water Quality Accounting Network |
| ACS | Acute Coronary Syndrome |
| TRAXS | Total Reflection Angle X-ray Spectroscopy |
| GDLC | Gel-Glass Dispersed Liquid Crystals |
| MARG | Microarray Research Group |