| Acronym | Meaning |
| NBOD | Nitrogenous Biochemical Oxygen Demand |
| PAPP-A | Pregnancy-associated Plasma Protein A |
| ALADDIN | Atmospheric Layer And Density Distribution Of Ions And Neutrals (NASA) |
| CYP | Cytochrome P450 |
| CTP | Cytidine 5'-triphosphate |
| IIW | International Institute Of Welding |
| EPEBS | Enhanced Proton Elastic Backscattering |
| OSF | Odor Safety Factor |
| EST | Eastern Standard Time |
| ARIP | Accidental Release Information Program |