| Acronym | Meaning |
| PNO-CE | Pseudonatural Orbital-configuration Expansion |
| ADIOS | Asian Dust Inputs To The Ocean System |
| RELMA | Remote Laser Microanalysis |
| HMDE | Hanging Mercury Drop Electrode (in Electrochemistry) |
| ILTJ | Iodine-Laser Temperature Jump |
| SHRP | Strategic Highway Research Program |
| SWICH | Solid Waste Information Clearinghouse And Hotline |
| ACS | Acute Coronary Syndrome |
| TDMS | Thermal Desorption Mass Spectrometry |
| PQL | Practical Quantitation Levels (of Pollutants |