| Acronym | Meaning |
| IAHR | International Association For Hydraulic Research |
| HAGIS | Headspace Analysis Gas-phase Infrared Spectroscopy |
| RCT | Reference Control Technology |
| EDX | Energy Dispersive X-ray |
| EQCIS | Electrochemical Quartz Crystal Impedance System |
| KPLS | Kernel Partial Least Squares |
| ICU | Intensive Care Unit |
| MAHRSI | Middle Atmosphere High Resolution Spectrograph Investigation |
| ISSI | International Society For Scientometrics And Informetrics |
| INN | International Nonproprietary Names (for Drugs) |