| Acronym | Meaning |
| NETL | National Energy Technology Laboratory |
| SC-2D | State-correlated Two-dimensional (NMR Spectroscopy) |
| APF | Acidulated Phosphate Fluoride |
| ICD | Implantable Cardioverter Defibrillator |
| IMSS | International Mass Spectrometry Society |
| CMAS | Completely Mixed Activated Sludge |
| TLM | Transmission Line Method |
| ILZRO | International Lead Zinc Research Organization |
| ICSU | International Council Of Scientific Unions |
| SDRS | Surface Differential Reflectance Spectroscopy |