| Acronym | Meaning |
| MDW | Multichannel Distorted Wave (Born Approxn.) |
| STPD | Short Ton/day |
| AI | 'Agpaitic Index' And Represents The (Na2O + K2O)/Al2O3 Ratio. |
| ISO | IR Space Observatory |
| IUBS | International Union Of Biological Sciences |
| LIR | Limiting Infiltration Rate |
| EPR | Electrochemical Potentiokinetic Reactivation |
| RPP | Renal Perfusion Pressure |
| ABA | Acid-base Account [related To Acid-forming Potential] |
| HLRW | High Level Radioactive Waste |