| Acronym | Meaning |
| SCPW | Symmetrized Combination Of Plane Waves |
| PERC | Passivated Emitter And Rear Cell (solar Cells) |
| KKRZ | Korringa-Kohn-Rostoker-Ziman (in Energy-band Calcns.) |
| QLUC | Quasimolecular Large Unit Cell (model For Electronic-structure Calcns. On Solids) |
| WRAP | Waste Receiving And Processing |
| REA | Restriction Endonuclease Anal. |
| YFEGE | Yonei Free-electron-gas Exchange |
| IHEA | Industrial Health Engineering Association |
| NHF | Nonrelativistic Numerical Hartree-Fock |
| SNS | Sympathetic Nervous System |