| Acronym | Meaning |
| STEP | Science And Technology For Environmental Protection |
| OSTI | Office Of Scientific And Technical Information |
| ASAXS | Anomalous Small-angle X-ray Scattering |
| BWO | Backward Wave Oscillator |
| CMBH | Capped Mesa Buried Heterostructure |
| APECED | Autoimmune Polyendocrinopathy-candidiasis-ectodermal Dystrophy |
| APS | Aerodynamic Particle Sizer |
| ILL | Interlibrary Loan |
| EXRHF | Extended Restricted Hartree-Fock |
| HFPP | Hartree-Fock Pseudopotential |