| Acronym | Meaning |
| RFID | Radio-frequency Identification |
| PSP | Paralytic Shellfish Poison |
| QRM | Quadratic Rubinow Method (variational Method For Scattering) |
| PIPECO | Photoion-photoelectron Coincidence Spectroscopy |
| MOCETGAO | Molecule-optimized Contracted Even-tempered Gaussian Atomic Orbital |
| PTX | Pertussis Toxin |
| NWEA | National Wood Energy Association |
| TPR | Tetratricopeptide Repeat |
| IGWMC | International Ground Water Modeling Center |
| SAI | Spline-fitted Ab Initio (potential Energy Surface) |