| Acronym | Meaning |
| CMBR | Cosmic Microwave Background Radiation |
| APS | Atom Probe Spectroscopy |
| PREVENT | Pacific Northwest Regional Visibility Expt. Using Natural Tracers |
| EAP | Electroactive Polymer |
| CNOC | Commission On Nomenclature Of Organic Chemistry |
| RIOMETER | Relative Ionospheric Opacity Meter |
| PQCD | Perturbative Quantum Chromodynamics |
| GDMS | Glow Discharge Mass Spectrometry |
| PWEM | Partial-wave-expansion Method (in Electron Scattering Calcns.) |
| SIDMS | Speciated Isotope Dilution Mass Spectrometry |