| Acronym | Meaning |
| LUCO | Lowest Unoccupied Crystal Orbital |
| FCA | Fuzzy Cluster Analysis |
| CAPCOA | California Air Pollution Control Officers Association |
| CIDNP | Chemically Induced Dynamic Nuclear Polarization |
| SID | Surface Induced Dissociation |
| HRT | Hormone Replacement Therapy |
| VOD | Veno-occlusive Disease |
| BUN | Blood Urea Nitrogen |
| PIT | Phase Inversion Temperature |
| IX | Ion Exchange |