| Acronym | Meaning |
| IGT | Impaired Glucose Tolerance |
| HDVV | Heisenberg-Dirac-Van Vleck (Hamiltonian Or Exchange Parameter) |
| DLPCB | Dioxin-like Polychlorinated Biphenyl |
| ARA | Aggregate Risk Analysis |
| NEWS | National Surface Water Survey (USEPA) |
| SDTQ-MBPT | Single-double-triple-quadruple Excitation (contribution) MBPT |
| DVMO | Directed-valence Molecular Orbital |
| NOV | Notice Of Violation |
| PESC | Passivated Emitter Silicon Solar Cell |
| CBDE | Chemical And Biological Defence Establishment |