| Acronym | Meaning |
| PBPK | Physiologically Based Pharmacokinetic |
| PPV | Poly(p-phenylene Vinylene) |
| PMAD | Power Management And Distribution (system) (of Space Station) |
| MINI-N | Minimal-type Contracted Gto Basis Set (n= 1 |
| SSULI | Special Sensor Ultraviolet Limb Imager |
| PSCA | Periodic Small-cluster Approach (a Many-body Technique In Electronic-structure Calcns.) |
| QSMR | Quantitative Structure-metabolism Relationship |
| TTHM | Total Trihalomethane |
| RGS | Regulator Of G-protein Signaling |
| VCAM-1 | Vascular Cell Adhesion Mol. 1 |