| Acronym | Meaning |
| OHD | Optical Heterodyne Detection |
| OBDD | Ordered Bicontinuous Double-diamond |
| MVEG | Motor Vehicle Emissions Group |
| CISP | Canadian Indoor Source Profile |
| EPACML | Environmental Protection Agency's Composite Landfill Model |
| FOCS | Fiber Optic Chemical Sensor |
| AHRQ | Agency For Healthcare Research And Quality |
| FGETS | Food And Gill Exchange Of Toxic Substances |
| ICT | Intramol. Charge Transfer |
| PMLG | Phase Modulated Lee-Goldburg (NMR Spectrometry) |