| Acronym | Meaning |
| AFC | Assimilation (with) Fractional Crystallization (geochemistry) |
| EOS | Equation Of State |
| DRI | Direct Reduced Iron |
| LIMA | Laser-induced Ion-mass Analyzer |
| IEL | Intraepithelial Lymphocyte |
| DHBT | Double Heterojunction Bipolar Transistor |
| CCSD-ED | Coupled-cluster Method With Single And Double Excitations-energy Derivative |
| BPDA | Born Point Dipole Approximation |
| RNA | Ribonucleic Acid |
| ECP-CPP | Effective Core Potential (augmented By)-core Polarization Potential |