| Acronym | Meaning |
| SWIR | Short Wave Infrared |
| NDOL(ND0-L) | Neglect Of Differential Overlap-azimutal Quantum Number (of Valence Ao's) |
| DMRG | Density Matrix Renormalization Group (quantum Calcn. Method) |
| BRAP | Biometry And Risk Assessment Program |
| SPPD | Spin Polarized Photoelectron Diffraction |
| AMS | Alpha Magnetic Spectrometer |
| INEGA | Instituto Nacional De Estadistica |
| NDA | Nondestructive Assay |
| QSO | Quasistellar Objects |
| FISP | Fast Imaging With Steady-state Precession |