| Acronym | Meaning |
| PDK | Pyruvate Dehydrogenase Kinase |
| RXR | Retinoid X Receptor |
| ICSS | Intracranial Self-stimulation |
| PDF | Planar Deformation Feature |
| CPDW | Circumpolar Deep Water |
| RFETS | Rocky Flats Environmental Technology Site |
| ICCA | International Council Of Chemical Associations |
| SCP-IOS | Semiclassical Perturbation-infinite Order Sudden |
| SASE | Self-amplified Spontaneous Emission |
| PHO | Pseudoharmonic Oscillator |