| Acronym | Meaning |
| SPELL | Spectral Eulerian Lagrangian Model |
| HAFID | Hydrogen Atmosphere Flame Ionization Detector |
| ISPCR | In Situ Polymerase Chain Reaction |
| CSD | Cambridge Structural Database |
| H-CI | Hylleraas-configuration Interaction |
| MTC | Medullary Thyroid Carcinoma |
| KCS | K-matrix Centrifugal Sudden (in Mol.-scattering Theory) |
| ICTS | Isothermal Capacitance Transient Spectroscopy |
| SPT | Standard Penetration Test |
| SNS | Separation Network Synthesis (chemical Engineering Design) |