| Acronym | Meaning |
| HVIO | High Volume Industrial Organic |
| UCCD | (spin) Unrestricted Coupled Cluster (with) Double (excitations) |
| IEF | Isoelectric Focusing |
| PAI | Pesticide Active Ingredient |
| TAC | Toxic Air Contaminant |
| SCR | Solar Cosmic Rays (related To Spacecraft And Space Travel) |
| DMFC | Direct Methanol Fuel Cell |
| MRF | Material Recovery Facility |
| BS | Backscattering Spectroscopy |
| DSPES | Depth-selective Photoelectron Spectroscopy |