| Acronym | Meaning |
| ICS | Intermittant Control Strategy |
| SVI | Sludge Volume Index |
| ARISE | Advanced Radio Interferometry Between Space And Earth |
| GIT | Gastrointestinal Tract |
| TFFF | Thermal Field Flow Fractionation |
| OCCSD | Open-shell Coupled-cluster (with) Single (and) Double (excitations) |
| MCHC | Mean Corpuscular Hemoglobin Concentration (occupational Exposure) |
| HAL | Health Advisory Level |
| VEDW IOS | Vibrational Exponential-distorted-wave Infinite-order-sudden (method For Inelastic Mol. Collisions Calcn.) |
| ISRM | International Society For Rock Mechanics |