| Acronym | Meaning |
| ACMG | American College Medical Genetics |
| NAAQS | National Ambient Air Quality Standards |
| SRCI | Single-reference Configuration Interaction |
| MEI | Maximally Exposed Individual |
| HMPGI | Hybrid Multiple-prism Grazing-incidence |
| MSMO | Multiple Scattering Molecular Orbital Method (also Known As X(alpha) Scattered-wave) |
| MSO | Molecular Spin Orbital |
| IEC | Ion-exchange Chromatography |
| NWWA | National Water Well Association |
| CFP | Centrifuge Facility Project |