| Acronym | Meaning |
| FIFRA | Federal Insecticide |
| ART | Advanced Recycling Technologies |
| TIGER | Triangulation-Identification For The Genetic Evaluation Of Risk |
| ATM | Analytic Tetrahedron Method (for Brillouin-zone Integrals And Electron Spin Densities) |
| PTC | Positive Temperature Coefficient [elec. Conducting Material] |
| CDMO | Composite Dimensional Manganese Oxide |
| ENSO | El Nino Southern Oscillation |
| IUCR | International Union Of Crystallography |
| BALP | Bone Alkaline Phosphatase |
| EIG | Electrostatic Ion Guide |