| Acronym | Meaning |
| AQCC | Air Quality Control Center |
| TCLE | Thermal Coefficient Of Linear Expansion |
| SABS | South African Bureau Of Standards |
| (PI)SDCI | (pi)-electron Singly And Doubly Excited CI |
| QDFM | Quantitative DNA Fiber Mapping |
| UHT | Ultra High Temperature |
| FSR | Fractional Synthesis Rate |
| SOM | Soil Organic Matter |
| DHBT | Double Heterojunction Bipolar Transistor |
| PAC | Perturbed Angular Correlation |