| Acronym | Meaning |
| HUVEC | Human Umbilical Vein Endothelial Cell |
| IAQINFO | Indoor Air Quality Information Clearinghouse |
| SKVP | S-matrix (version Of) Kohn Variational Principle |
| USEPA | United States Environmental Protection Agency |
| TSDIA | Two-scale Direct-interaction Approximation [in Flow Energy Modeling] |
| MCI | Mild Cognitive Impairment |
| LFC | Load Frequency Control (battery Systems) |
| GBT | Generalized Brillouin Theorem |
| IEL | Independent Electron (model In Ion-impact Ionization Calcns.) |
| GVB-INIT | Generalized Valence Bond-initial (guess Wave Function) |