| Acronym | Meaning |
| RCM | Radiative Convective Model (of Climate) |
| EHP | Electron-hole Plasma |
| QUE | Quantized Universal Enveloping (algebras In Mol. Vibrational Spectra Calcns.) |
| TEMA | Tubular Exchanger Manufacturers Assocn. |
| SCM | Streaming Current Monitor (for Coagulation Water Treatment) |
| LIP | Laser-induced Plasma |
| MSF | Multi-stage Flash Distillation Plant |
| PDU | Process Development Unit |
| RH | Relative Humidity |
| IRES | Infrared Emission Spectroscopy |