| Acronym | Meaning |
| PTCA | Percutaneous Transluminal Coronary Angioplasty |
| LIM | Last Interglacial Maximum (era Of Warm Nonglacial Climate Between PGP And LGM) |
| CHFET | Complementary Heterojunction Field-effect Transistor |
| CCAP | Cancer Chromosome Aberration Project |
| SI | Stieltje Imaging (method For Calcg. Wave Functions) |
| UPS | Uninterrupted Power Systems (for Computer Networks) |
| DWPO | Distorted Wave Polarized Orbital |
| SUP-CI | Superdirect CI |
| CDPF | Catalytic Diesel Particulate Filter |
| DADMAC | Diallyldimethylammonium Chloride |