| Acronym | Meaning |
| SCN | Suprachiasmatic Nucleus |
| CDD | Chlorinated Dibenzo-p-dioxin |
| HCA | Hierarchical Cluster Analysis |
| MTFE | Mercury Thin-film Electrode |
| GLM | General Linear Model |
| JAPIO | Japan Patent Information Organization |
| LEEM | Low-energy Electron Microscopy |
| CDF | Collider Detector At Fermilab |
| PZN | Lead Zinc Niobate |
| CMBR | Cosmic Microwave Background Radiation |