| Acronym | Meaning |
| XSAD | X-ray Small Angle Diffraction |
| IOA | International Ozone Association |
| ADF | Actin-Depolymerizing Factor |
| PRINS | Primed In Situ DNA Synthesis |
| TOM | Transition Operator Method |
| AHF | Approximate Hartree-Fock Method |
| PLL | Phase Locked Loop |
| QSMD | Quantum-stochastic Mol. Dynamics |
| CIM | Computer-integrated Manufacturing |
| MSFC | Marshall Space Flight Center |