| Acronym | Meaning |
| PCEM | Point-charge Electrostatic Model |
| VAZC | Vibrationally Adiabatic Zero Curvature (quantum Calcn. Approxn.) |
| OES | Occupational Exposure Standard |
| HOLZ | Higher Order Laue Zone |
| RQCAR | Reportable Quantities For Carcinogens In Hazardous Waste |
| PRA | Plasma Renin Activity |
| OFA | Oil Fly Ash |
| BVD | Bovine Viral Diarrhea |
| AIUPS | Angle-integrated Ultraviolet Photoelectron Spectroscopy |
| AOES | Actinometry Optical Emission Spectroscopy |