| Acronym | Meaning |
| LTDA | Low Temperature Die Attach [adhesive] |
| TCR | Temperature Coefficient Of Resistance |
| JKR | Johnson-Kendall-Roberts Contact Model |
| NHO | Natural Hybrid Orbital |
| SOP/EA | Split-operator Propagator (for) Electronically Adiabatic (phenomena) |
| MARCKS | Myristoylated Alanine-rich C Kinase Substrate |
| IWRA | International Water Resources Association (USA) |
| SOMBT | Spin-orbital Many-body Theory |
| STS | Space Transportation System |
| HNPCC | Hereditary Nonpolyposis Colorectal Carcinoma |