| Acronym | Meaning |
| SISF | Superlattice Intrinsic Stacking Fault |
| CAPCA | Closure And Postclosure Activity |
| EPTC | Extraction Procedure Toxicity Characteristic |
| ALAD | Delta-aminolevulinic Acid Dehydratase (lead Poisoning Indicator) |
| OMHCE | Organic Material Hydrocarbon Equivalent |
| IUPHAR | International Union Of Pharmacology |
| HDPEX | Cross-linked |
| IASC | International Arctic Science Committee |
| RAPJ | Rotating Arc Plasma Jet |
| FIRMR | Federal Information Resources Management Regulations |