| Acronym | Meaning |
| AIP | Arc Ion Plating |
| TIMS | Technical Information Management System |
| CIPM | Comite International Des Poids Et Mesures |
| CI | Compression-ignition (engine) |
| NTIMS | Negative Thermal Ionization Mass Spectrometry |
| ABA | Acid-base Account [related To Acid-forming Potential] |
| LCD | Liquid Crystal Diode |
| MRCEPA | Multireference Coupled-electron-pair Approxn. |
| EMPA | Electron Microprobe Analysis |
| ALSC | Adirondack Lakes Survey Corporation |