| Acronym | Meaning |
| ILS | Instrumental Line Shape |
| FOBT | Fecal Occult Blood Test |
| PA-FTIR | Photoacoustic Fourier Transform Infrared Spectroscopy |
| PET | Petrol. Elementary Tools (computer Program) |
| XNBR | Carboxylated Nitrile Rubber |
| ISSI | International Society For Scientometrics And Informetrics |
| ARIPES | Angle-resolved Inverse Photoemission Electron Spectroscopy |
| BCV | Bovine Coronavirus |
| PHAS | Pollution Hazard Assessment System |
| LOCV | Lowest-order Constrained Variation |