| Acronym | Meaning |
| WAXD | Wide-angle X-ray Diffraction |
| ECCD | Electron Cyclotron Current Drive |
| MECA | Multiple Excitation Collisional Activation |
| SOPPA | Second-order Polarization Propagator Approxn. |
| CAREIRS | Conversion And Renewable Energy Inquiry And Referral Service |
| APF | Advanced Particle Filter |
| RMP | Radon Measurement Proficiency |
| WASP | Wiskott-Aldrich Syndrome Protein |
| DCM | Dilated Cardiomyopathy |
| NPD | Normal Photoelectron Diffraction |