| Acronym | Meaning |
 | ASQC | American Society For Quality Control |
 | PMO | Perturbational Molecular Orbital |
 | PES | Photoelectron Spectroscopy |
 | UHF | Unrestricted Hartree-Fock |
 | SAMHSA | Substance Abuse And Mental Health Services Administration |
 | RFA | Regulatory Flexibility Act |
 | MSCE | Modified Semiclassical Exchange (aproxn. In Scattering Calcns.) |
 | SSHF | Spin-symmetrized Hartree-Fock (wave Function) |
 | CLIC | Compact LInear Collider |
 | HADES | High Activity Disposal Exptl. Site [for Radioactive Waste] |