| Acronym | Meaning |
| RPCR | Restricted Principal Component Regression |
| TROSY | Transverse Relaxation-optimized Spectroscopy |
| RDF | Refuse Derived Fuel |
| PPIC | Pollution Prevention Information Clearinghouse |
| RNN | Recurrent Neural Network |
| DWA | Digital Waveform Acquisition |
| MUCS | Minimum-uncertainty Coherent States (wave Functions) |
| CDA | Cosmic Dust Analyzer |
| PCB | Polychlorinated Biphenyl |
| MSA | Mineralogical Society Of America |