| Acronym | Meaning |
| CROWN | Combines Rotation With Nutation |
| PIO | Paired Interaction Orbital |
| WRAP | Waste Reduction And Prevention Act (Manitoba |
| WRDC | Wright Research And Development Center |
| ETAAS | Electrothermal Atomic Absorption Spectrometry |
| SEAWIFS | Sea Viewing Wide Field Of View Sensor |
| BSPT | Blizzard Santry Perturbation Theory |
| NCRPM | National Council On Radiation Protection And Measurements |
| MAO | Modified Atomic Orbital |
| MMFF | Molecular Mechanics Force Field |