| Acronym | Meaning |
| FPA | Flavor Profile Analysis |
| WRAC | Waste Reduction Audit Checklist (component Of WRAS) |
| RSCPA | Reduced (second Order) Self-consistent Phonon Approxn. (a Green-function Calcn. Method) |
| STM | Space-translation Method (in Atomic Collision Calcn.) |
| HELP | Hydrologic Evaluation Of Landfill Performance Model |
| RFD | Reference Dose |
| FI | Fouling Index |
| DPT | Degenerate Perturbation Theory |
| CDFT | Current (as In C.d.) Density Functional Theory |
| TICT | Twisted Intramolecular Charge Transfer |