| Acronym | Meaning |
| MARS | Multivariate Adaptive Regression Splines |
| EGU | European Geosciences Union |
| MRL | Minimal Risk Levels |
| GRE | Glucocorticoid-responsive Element |
| NN-TB | Nearest-neighbor Tight Binding |
| PWM | Pulse Width Modulation |
| CTF | Common Translation Factor (for Ion-atom Inelastic Collisions) |
| TOF | Time Of Flight |
| NBFAC | National Bioforensic Analysis Center Par |
| DMU | WOCE Data Management Unit (USA) (now Part Of DIU) |