| Acronym | Meaning |
| HPDM | Hybrid Plume Dispersion Model (air Quality) |
| ARAS | Atomic Resonance Absorption Spectroscopy |
| SINDO | Scaled Intermediate Neglect Of Differential Overlap |
| CEM | Continuous Emissions Monitoring |
| IDE | Insulin Degrading Enzyme |
| CARBASHD | Carbon-relayed Band-selected Homonuclear-decoupled |
| PATOLIS | Patent Online Information System |
| MCAO | Middle Cerebral Artery Occlusion |
| ERCS | Elastic Recoil Coincidence Spectroscopy |
| IAP | Intermittent Aeration Process (for Waste Treatment) |