| Acronym | Meaning |
| ISPD | Ion-selective Photodiode |
| OECD | Organization For Economic Cooperation And Development |
| HPTTD | High-performance Thermophilic Two-phase Digestion |
| ACSV | Adsorptive Cathodic Stripping Voltammetry |
| NETD | Noise Equiv. Temp. Difference |
| CILS | Collision-induced Light Scattering |
| PSL | Photostimulated Luminescence |
| SCSAG | Small-curvature Semiclassical Adiabatic Ground-state (tunneling Approxn.) |
| IAB | Information Access Branch |
| IAS | In-situ Air Sparging |