| Acronym | Meaning |
| RTT | Resonant Tunneling Transistor |
| ECIA | Electrochemical Immunoassays |
| PIVCDW | Phase Integral Variational Continuum Distorted Wave |
| FBCB | Fixed Bed Circulating Bioreactor (for Wastewater Treatment) |
| AML | ARC Macro Language |
| BEAR | Business And Environmentalists In An Alliance For Recycling |
| DAL | Defect Action Level |
| QCISD(T) | Quadratic CI (with) Single (and) Double (excitations) (and) [triple Excitations Added Perturbatively] |
| FGM | Functionally Gradient Materials |
| GDEPT | Gene-directed Enzyme Prodrug Therapy |