| Acronym | Meaning |
| TC-GME | Time-convolution Generalize Master Equation (in Quantum Tunneling Calcns.) |
| ATDC | After Top Dead Center (gasoline And Diesel Engine Timing) |
| SEDAC | Socioeconomic Data And Applications Center |
| MLTCS | Mesosphere-lower Thermosphere Coupling Study |
| APD | Azimuthal Photoelectron Diffraction |
| LSDSIC | Local-spin-density Self-interaction-correction Approxn. (in Total Energy Calcns. For Atoms) |
| EDXR | Energy Dispersive X-ray Reflectometry |
| TERA | Toxicology Excellence For Risk Assessment |
| ICBN | International Code Of Botanical Nomenclature |
| DSPC | Distearoyl Phosphatidylcholine |