| Acronym | Meaning |
| SAMSON | Severe Accident Management System Online Network |
| ORPI | Off-resonance Proton Irradiation |
| VRLA | Valve-regulated Lead-acid (batteries) |
| DWDM | Dense Wavelength Division Multiplexing |
| FAK | Focal Adhesion Kinase |
| DTUL | Deflection Temperature Under Load |
| IDEAL | Inhalation, Deposition And Exhalation Of Aerosols In/from The Lungs |
| PROM | Programmable Read-only Memory |
| SEHF | Spin-extended Hartree-Fock |
| NDA | Nondestructive Assay |