| Acronym | Meaning |
| QSEX | Quadrature Selective Excitation |
| AOP | Advanced Oxidation Processes (hydroxyl Generation) |
| NDI | Nondestructive Inspection |
| MOG | Mobil Olefins-to-gasoline [process] |
| RHFR | Restricted Hartree-Fock-Roothaan |
| HSCT | High Speed Civil Transport (aircraft) |
| NFPA | National Fire Protection Association |
| TRI | Toxic Release Inventory |
| GIF | Graphic Image Format |
| ELN | Electronic Laboratory Notebook |