| Acronym | Meaning |
| IODE | International Oceanographic Data/Information Exchange (IOC) |
| NCEP | National Cholesterol Education Program |
| ADHD | Attention Deficit Hyperactivity Disorder |
| NSF | National Sanitation Foundation |
| PAS | Positron Annihilation Spectrometry |
| IPPP | Iterative Pariser-Parr-Pople Method |
| LCTAO | Linear Combination Of Traveling Atomic Orbitals |
| HECD | Hall Electrolytic Conductivity Detector |
| CCDW | Commensurate Charge-density Wave |
| FES | Field Emission Spectroscopy |