| Acronym | Meaning |
| SMBC | Simulated Moving Bed Chromatography |
| IAEH | International Association For Environmental Hydrology |
| PNA | Paraffins, Naphthenes, And Aromatics (in Petroleum Analysis) |
| PRP | Prion Protein |
| CDEI | Centromere DNA Element I |
| NF-E1 | Nuclear Factor Erythroid 1 |
| CRISTA | Cryogenic Infrared Spectrometers And Telescopes For The Atmosphere |
| GGWPD | Generalized Gaussian Wave-packet Dynamics |
| BHRA | British Hydromechanics Research Association |
| UNO | Unrestricted Natural Orbital |