| Acronym | Meaning |
| AIM | Adiabatic Invariance Method (in Ion-mol. Reactions) |
| CMF | Completely Mixed Flow |
| DIANE | Direct Information Access Network For Europe |
| RSMC | Regional Specialized Meteorological Centre |
| ICCP | International Climate Change Partnership |
| EAS | Exposure Assessments |
| GEML | Gene Expression Markup Language |
| CEAS | Cavity-enhanced Absorption Spectroscopy |
| PEEP | Positive End-expiratory Pressure |
| FHBS | Finite Hilbert Basis Set |