| Acronym | Meaning |
| DUVPL | Deep Ultraviolet Projection Lithography |
| HALT | Hydrate Addition At Low Temperature (for Sulfur Dioxide Removal From Flue Gases) |
| UCAR | University Corporation For Atmospheric Research |
| LCCD | Linear Coupled-cluster (method With) Double (excitations) |
| IIRF | Infinite Impulse Response Filter |
| BTPPC | Benzyltriphenylphosphonium Chloride |
| UMLS | Unified Medical Language System |
| BACER | Biological And Climatological Effects Research |
| PWS | Public Water System |
| IMC | Intermetallic Matrix Composite |