| Acronym | Meaning |
| LSM | Land Surface Model |
| ALAPCO | Association Of Local Air Pollution Control Officials |
| SBH | Sequencing By Hybridization |
| GIXAS | Grazing Incidence X-ray Absorption Spectroscopy |
| CARIBIC | Civil Aircraft For Remote Sensing And In Situ Measurements In Troposphere And Lower Stratosphere Based On The Instrumentation |
| NIH | National Institutes Of Health |
| MAGIC | Monodisperse Aerosol Generation Interface For Combining Liquid Chromatography With Mass Spectrometry |
| POTW | Publicly Owned Treatment Works |
| TID | Traveling Ionospheric Disturbance |
| VCM | Variational Cellular Method (for Electronic Structure Calcns.) |