| Acronym | Meaning |
| ETI | Environmental Testing Industry |
| TTP | Thrombotic Thrombocytopenic Purpura |
| MIP | Magnetic Induced Polarization (for Subsurface Characterization) |
| AIF | Apoptosis-inducing Factor |
| ARAS | Atomic Resonance Absorption Spectroscopy |
| FADD | Fas-associated Death Domain Protein |
| NEPA | National Environmental Policy Act |
| CDCCC | Centrifugal Droplet Countercurrent Chromatography |
| SPA | Shielded-potential Approxn. (in Electronic Structure) |
| CND | Circumnuclear Disk |