| Acronym | Meaning |
| CIR | Cylindrical Internal Reflection |
| HDVV | Heisenberg-Dirac-Van Vleck (Hamiltonian Or Exchange Parameter) |
| IRR | Internal Rate Of Return |
| LAP | Laboratory Analytical Protocol |
| EPR | Electrochem. Potentiodynamic Reactivation |
| INEGA | Instituto Nacional De Estadistica |
| APLG | Antisymmetrized Product Of Localized Geminals (wave Function) |
| SC-SCF | Semiclassical Self-consistent Field |
| RLV | Reusable Launch Vehicles (aeronautics) |
| CFD | Computational Fluid Dynamics |