| Acronym | Meaning |
| G.P. | Guinier-Preston Zone |
| IRC | Intrinsic Reaction Coordinate |
| ERA | Environmental Risk Assessment |
| OPCW | Organization For Prohibition Of Chemical Weapons |
| SMOKE | Surface Magneto-optic Kerr Effect |
| ANPP | 4-azido-2-nitrophenyl Phosphate |
| SCMPS | Spin-corrected Moeller-Plesset Nth-order |
| DSCEMS | Depth Selective Conversion Electron Moessbauer Spectroscopy |
| DIGIT | Deep Infrared Galaxy Imaging Telescope |
| WHMO | Wolfsberg-Helmholz Molecular Orbital |