| Acronym | Meaning |
 | LCGTO | Linear Combination Of Gaussian Type Orbitals |
 | ESIE | Electron Stimulated Ion Emission |
 | HBT | Heterojunction Bipolar Transistor |
 | ICTV | International Committee On The Taxonomy Of Viruses |
 | TMC | Titanium Matrix Composite |
 | CGCG | Catalog Of Galaxies And Clusters Of Galaxies |
 | CASSCF | Complete Active Space-self Consistent Field |
 | GSD | Geometric Std. Deviation |
 | LAC | Liquid Adsorption Chromatography |
 | NESHAP | National Emission Standards For Hazardous Air Pollutants |