| Acronym | Meaning |
| EPLD | Erasable Programmable Logic Device |
| ADF | Adult T-cell Leukemia-derived Factor |
| DI | Direct Injection (engine; Diesel) |
| GM | Geometric Mean |
| HCA | Hazardous Communication Act |
| IEMM | Incident Energy Modulation Method |
| GMCC | Geophysical Monitoring For Climate Change |
| NDA | Nondestructive Assay |
| NHF | Numerical Hartree-Fock |
| MBSCI | Minimum Basis Set Configuration Interaction |