| Acronym | Meaning |
| HF MO LCAO | Hartree-Fock MO LCAO |
| SUS | Saybolt Unit Seconds (viscosity Measurement) |
| SPLEED | Spin Polarized Low-energy Electron Diffraction |
| FFA | Flammable Fabrics Act |
| RPI | Radius Polydispersity Index |
| MRSI | Magnetic Resonance Spectroscopic Imaging |
| AAEE | American Academy Of Environmental Engineers |
| MDD | Maximum Daily Dose |
| ADO | Average Dipole Orientation |
| ABXP | Ab Initio Dv-x.alpha. Point Charge Approxn. (in Solid Surface Electronic Structure Calcn.) |