| Acronym | Meaning |
| OLED | Organic Light-emitting Device |
| FP-SCF-INDO | Finite Perturbation-SCF-INDO |
| LDL | Low Density Lipoprotein |
| WSTCM | Watson-sphere Terminated Cluster Model (in Electronic-structure Calcns. On Crystal Defects) |
| EGRET | Energetic Gamma Ray Experiment Telescope |
| ASF | Augmented-space Formalism (a Generalization Of CPA) |
| APEGM | Alkaline Polyethylene Glycolate Monomethyl Ether |
| CAA | Contaminant Analysis Automation |
| STORET | Storage And Retrieval Of U.S. Waterways Parametric Data |
| XRR | X-ray Reflectometry |