| Acronym | Meaning |
| OMHCE | Organic Material Hydrocarbon Equivalent |
| QCL | Quantum Cascade Laser |
| CIMI | Configuration Interaction From Molecular Integrals |
| CTPV | Coal Tar Pitch Volatiles |
| ETSAP | Energy Technology Systems Analysis Program |
| BDST | Bed-depth Service Time |
| BFFAR | Benthic Foraminifera Accumulation Rate |
| FD | Forced Draft |
| STA | Single-transition Approximation |
| RBF | Radial Basis Function |