| Acronym | Meaning |
| CAA | Clean Air Act Of 1970 |
| UQ-NG | Uniform-quality (basis Set) Constructed With A Number (n) Of Gaussian (g) Functions |
| LITA | Laser-induced Thermal Acoustics |
| ECISDT | Size-extensive CI With Single And Double And Triple Excitations |
| IPNO | Independent-pair Natural Orbital |
| MOST | Metal Oxide Semiconductor Transistor |
| CODF | Crystallite Orientation Distribution Function |
| NLGI | National Lubricating Grease Institute |
| HFFR | Halogen-free Flame Retardant [thermoplastics] |
| CD ROM | Compact Disk Read Only Memory |