| Acronym | Meaning |
| LLDPE | Linear Low Density Polyethylene |
| NFT | Neurofibrillary Tangle |
| OPDIN | Ocean Pollution Data And Information Network |
| WPB | Within Plate Basalts |
| EPI | Electronic Patent Index |
| PTDS | Photothermal Deflection Spectroscopy |
| VC | Vapor Compression |
| MP4(DQ) | Moeller-Plesset Perturbation Treatment To Fourth Order In The Space Of Double And Quadruple Substitutions |
| PDR | Proliferative Diabetic Retinopathy |
| ARF | ADP-ribosylation Factor |