| Acronym | Meaning |
| GWD | Gaussian Wave Packet Dynamics |
| ETA | Electrothermal Atomization |
| XTM | X-ray Tomographic Microscopy |
| HRV | Human Rhinovirus |
| BIS | Bureau Of Indian Stds. |
| RFC | Inhalation Reference Concentration |
| BET | Bond Equilibrium Theory |
| ZTS | Z Transition State [z = Nuclear Charge] (method For Calcg. Isoelectronic Energy Differences And Electrostatic Potentials For A |
| AEERL | Air And Energy Engineering Research Laboratory (US EPA) |
| CHRM | Characteristic Remanent Magnetization |