| Acronym | Meaning |
| PNA | Peanut Agglutinin |
| VPE | Vapor-phase Epitaxy |
| DMRG | Density Matrix Renormalization Group (quantum Calcn. Method) |
| WELAC | Western European Laboratory Accreditation Cooperation |
| ORAM | Optical Random Access Memory |
| MDS | Matrix-diagonalization Sudden Approximation (for Atom Surface Scattering Calcns.) |
| LCCW | Linear Combination Of Configurational Wave Functions |
| COD | Continuous Optical Discharge |
| BTK | Bruton Tyrosine Kinase |
| PNO-CE | Pseudonatural Orbital-configuration Expansion |