| Acronym | Meaning |
| AFMMP | Advanced Field Monitoring Methods Program |
| HPCA | Hierarchical Principal Component Analysis |
| IAA | Indole-3-acetic Acid |
| EDXRF | Energy Dispersive X-ray Fluorescence |
| UCCD | (spin) Unrestricted Coupled Cluster (with) Double (excitations) |
| ESC | Embryonic Stem Cell |
| EO | Ethylene Oxide |
| NWEA | National Wood Energy Association |
| MACT | Maximum Achievable Control Technology |
| SPR | Surface Plasmon Resonance |