| Acronym | Meaning |
| RRNA | Ribosomal Ribonucleic Acid |
| NNDO | Neglect Of Nonbonded Differential Overlap |
| BFS | Beam Foil Spectroscopy |
| ACTFEL | Alternating Current Thin-film Electroluminescent |
| LDRP | Leak Detection And Repair Program |
| SD-POE | Sigma-dependent Pi-orbital Electronegativity Model |
| WAD | Weak And Dissociable Or Weak Acid Dissociable |
| GTDA | Generalized Tamm-Dancoff Approximation |
| PPE | Poly(phenylene Ether)s |
| OWG | Optical Waveguide |