| Acronym | Meaning |
| TREF | Temperature Rising Elution Fractionation |
| COSAC | Cometary Sampling And Composition |
| CARBASHD | Carbon-relayed Band-selected Homonuclear-decoupled |
| INDO | Intermediate Neglect Of Differential Overlap |
| STB | Semiempirical Tight Binding |
| BWCC | Brillouin-Wigner Coupled-cluster (theory) |
| HCPT | Hard-core Perturbation Theory |
| SQC | Sediment Quality Criteria |
| LEV | Low Emission Vehicle |
| IASPEI | International Association Of Seismology And Physics Of The Earth's Interior |