| Acronym | Meaning |
| USANS | Ultra-small-angle Neutron Scattering |
| TBSI | N-tert-butyl-2-benzothiazyl Sulfenimide |
| NBII | National Biological Information And Infrastructure |
| CNDOL | Complete Neglect Of Differential Overlap-azimutal Quantum Number (of Valence AO'S) |
| TQEM | Total Quality Environmental Management |
| APCS | Argonne Premium Coal Sample |
| SMM | Scanning Magnetic Microscopy |
| LPS | Laser Plasma Spectroscopy |
| CD-SCSAG | Centrifugal Dominant-small Curvature Semiclassical Adiabatic Ground State (tunneling Approxn.) |
| S/MTD | STOL Maneuvering Technology Demonstrator (program) |