| Acronym | Meaning |
| TLM | Triple Layer Model (of Adsorption) |
| ASHI | American Society Of Histocompatibility And Immunogenetics |
| PERL | Passivated Emitter And Rear Locally Diffused (solar Cells) |
| QMRE | Quantum Mechanical Resonance Energy |
| PIERS | Polarized Infrared External Reflection Spectroscopy |
| APC | American Plastics Council |
| DCIS | Ductal Carcinoma In Situ |
| IRI | International Reference Ionosphere |
| EMPT | Effective Medium Percolation Theory |
| RKHS | Reproducing Kernel Hilbert Space |