| Acronym | Meaning |
| ITIES | Interface Between Two Immiscible Electrolyte Solutions |
| ASTSWMO | Association Of State And Territorial Solid Waste Management Officials |
| XMM | X-ray Multi-Mirror |
| DYANA | Dynamics Algorithm For NMR Applications |
| HT-EOVC | High-temperature Engine Oil Viscosity Classification |
| NAT | Nitric Acid Trihydrate (polar Stratosphere Cloud Aerosol) |
| ECAMSI | Electron Configuration Analysis For Many-system Interactions |
| LEMOFS | Laser-excited Molecular Fluorescence Spectrometry |
| USDW | Underground Source Drinking Water |
| LCCO | Light Catalytic Cycle Oil |