| Acronym | Meaning |
| FGM | Functionally Gradient Materials |
| CSF | Configuration Spin Function (a Wave Function) |
| URF | Unit Risk Factor |
| AESOP | Ab-initio Effective Spin-orbit Operator |
| SECH | Screened Exchange Plus Coulomb Hole Method |
| LIGO | Laser-interferometer Gravitational-wave Observatory |
| NYSERDA | New York State Energy Research And Development Authority |
| GSA | General Services Administration |
| AAP | Asbestos Action Program |
| ACSH | American Council On Science And Health |