| Acronym | Meaning |
| HRMSI | High-Resolution Multispectral Instrument (EOS) |
| LAI | Leaf Area Index |
| ADF | Acid Detergent Fiber |
| MPCA | Minnesota Pollution Control Agency |
| STS | Slater Transition State (for Calcg. Electronic Transitions Of Atoms And Molecules) |
| HLVB | Heitler-London Valence Bond |
| IGC | International Geological Congress |
| DPP | Dual Purpose Plant |
| ALS | Acid Labile Subunit |
| RSKERL | Robert S. Kerr Environmental Research Laboratory |