| Acronym | Meaning |
| AGA | American Gas Association |
| SMIL | Synchronized Multimedia Integration Language |
| BEPR | Biological Excess Phosphorus Removal |
| PHWR | Pressurized Heavy Water Reactor |
| CIPAC | Collaborative International Pesticides Analytical Council |
| RLF | Radially Localized (wave) Function |
| IOS | Infinite Order Sudden Approximation |
| POCH | Polarized Ochkur |
| PMTDI | Provisional Maximum Tolerable Daily Intake |
| MSL | Mean Sea Level |