| Acronym | Meaning |
| CVB | Canonical Valence Bond |
| ADTT | Accelerator Driven Transmutation Technology |
| CLIM | Climate Change Database (accessible Through OLS) |
| MAGE | Marine Aerosol And Gas Exchange Experiment |
| KAM | Kolmogorov-Arnold-Moser (theorem In Quantum Stochasticity) |
| CUP | Conditional Use Permit |
| DWPI | Derwent World Patents Index |
| PSFT | Progressive Saturation Fourier Transform |
| CCPPA | Coupled-cluster Polarization-propagator Approxn. |
| CETO | Cartesian Exponential Type Orbital |