| Acronym | Meaning |
| ASP | Auger Sputter Profiling |
| IGF | Inert Gas Fusion |
| PBCIMS | Particle Beam Chem. Ionization Mass Spectrometry |
| DPD | Diethyl-p-phenylenediamine (test For Chlorine In Water) [93-05-0] |
| FBCB | Fixed Bed Circulating Bioreactor (for Wastewater Treatment) |
| EOPP | Earth Observation Preparatory Program |
| NGCC | Natural Gas Combined Cycle |
| RMTO | Relativistic Muffin-tin Orbital |
| MUSIC | Multiplicity Selective In-phase Coherence Transfer |
| FISH | Fluorescence In Situ Hybridization |