| Acronym | Meaning |
| DWP | Dynamic Wet Pressure |
| PTNO | Perturbation Theory Natural Orbital |
| RFA | Regulatory Flexibility Act |
| RCSB | Research Collaboratory For Structural Bioinformatics |
| BIIR | Brominated Isobutene-isoprene Rubber |
| EMEFS | Eulerian Model Evaluation Field Study |
| GDA | Glow Discharge Atomization (for Atomic Absorption Spectrometry) |
| DPA | Differential Pulse Amperometry |
| ZMR | Zone-melting Recrystallization |
| ISA | Ionic Strength Adjuster |