| Acronym | Meaning |
| ACR | Advanced Cracking Reactor (for Ethylene Production From Petroleum) |
| CESQG | Conditionally Exempt Small Quantity Generator |
| ESEEM | Electron Spin Echo Envelope Modulation |
| HEIR | High Energy Ion Recoil |
| TFA | Total Fatty Acids |
| MOSAP | Marine Oil Spill Action Plan |
| XSAD | X-ray Small Angle Diffraction |
| SSQW | Strained Single Quantum Well |
| WCUB | Wang Chang-Uhlenbeck-de Boer (quantum-mech. Relation In Rotational Relaxation Calcn.) |
| ECTFP | Empty-core Thomas-Fermi Pseudopotential |