| Acronym | Meaning |
| HSCCC | High-speed Counter-current Chromatography |
| LCAS MS | Linear Combination Of Atomic Spinors-molecular Spinors |
| IAEG | International Association Of Engineering Geology |
| GEP | Good Engineering Practice |
| RSW | Resistance Spot Welding |
| IWS | Ionizing Wet Scrubber |
| AEGL | Acute Exposure Guideline Level |
| ES | Energy Sudden (approxn. In Scattering Calcns.) |
| AOA | Angle Of Attack [propulsion] |
| VARTM | Vacuum Assisted Resin Transfer Molding |