| Acronym | Meaning |
| FFA | Free Fatty Acid |
| IBA | Ion Beam Analysis |
| TNAA | Thermal Neutron Activation Analysis |
| BSHC | Break Specific Unburned Hydrocarbons |
| SAIM | Scaled Atoms-in-molecules |
| NAVORDSTA | Naval Ordnance Station (US) |
| ISOF | Insoluble Org. Fraction (e.g. |
| LOTOS | Long Term Ozone Simulation |
| CAWAI | Commission On Atomic Weights And Isotope Abundances |
| TOSS | Total Suppression Of Sidebands |