| Acronym | Meaning |
| DRG | Dorsal Root Ganglion |
| THG | Third Harmonic Generation |
| ACC | Aquifer Contamination Control |
| DIAL | Differential Absorption Lidar (laser Radar Sensing) |
| HMM | Half Molecule Model (for Electron Scattering By Molecules) |
| PT-MVD | Perturbation Theory (with) Mass-velocity And Darwin (operators) |
| PITST | Path Integral Transition State Theory |
| HZ | Hertz (one Cycle Per Second) |
| DIC | Differential Interference Contrast |
| CBC | Circulating Bed Combustor (or Incinerator) |