| Acronym | Meaning |
| GVHD | Graft Versus Host Disease |
| BPSG | Borophosphosilicate Glass |
| VEEH | Variable Electronegativity Extended Hueckel Method |
| HDVV | Heisenberg-Dirac-Van Vleck (Hamiltonian Or Exchange Parameter) |
| CRAVE | Carcinogen Risk Verification Effort (EPA) |
| SEMPA | Scanning Electron Microscopy With Polarization Analysis |
| GEOS | Goddard Earth Observing System |
| RSM | Reactive Scavenging Module |
| SAFT | Statistical Assocg. Fluid Theory |
| NCMS | National Center Manufacturing Sciences |