| Acronym | Meaning |
| CNDO/BW | Complete Neglect Of Differential Overlap With Boyd And Whitehead Parametrization |
| CIAQ | Canadian Indoor Air Quality |
| CSZ | Calcia-stabilized Zirconia |
| TCOD | Total Chemical Oxygen Demand |
| NCPTT | National Center For Preservation Technology And Training |
| NMVOC | Nonmethane Volatile Organic Compound |
| AICR | American Institute For Cancer Research |
| FEED | Field Emission Energy Distribution |
| EAROM | Electrically Alterable Read Only Memory |
| SO | Stieltjes Orbitals (for Mol. Photoionization Continua) |