| Acronym | Meaning |
| HBT | Heterojunction Bipolar Transistor |
| SFA | Saturated Fatty Acid |
| CASPT2 | Complete Active Space With Second-order Perturbation Theory |
| SSCP | Single-strand Conformation Polymorphism |
| NTA | Nitrilotriacetic Acid |
| PEMFC | Polymer Electrolyte Membrane Fuel Cell |
| RME | Reasonably Maximally Exposed |
| LATS | Long-Acting Thyroid Stimulator |
| LLS | Linear-least Squares |
| KCS | K-matrix Centrifugal Sudden (in Mol.-scattering Theory) |