| Acronym | Meaning |
| ISST | International Subcommission On Stratigraphic Terminology |
| PTB | Phosphotyrosine Binding |
| PDF | Probability Density Function |
| SMF | Standard Monitoring Framework |
| SPHINCS | Sequential PHoton Interrogation And Neutron Counting Signatures |
| ISIS | Image-selected In Vivo Spectroscopy |
| BSFC | Break Specific Fuel Consumption |
| MTOC | Microtubule-organizing Center |
| NERC | Natural Environment Research Council (UK) |
| AICE | American Institute Of Chemical Engineers |