| Acronym | Meaning |
| MRCC | Multireference Coupled Cluster |
| TTSS | Type III Secretion System |
| LIFR | Leukemia Inhibitory Factor Receptor |
| LCHAO | Linear Combination Of Hybrid Atomic Orbitals |
| CKRC | Cement Kiln Recycling Coalition |
| GDLC | Gel-Glass Dispersed Liquid Crystals |
| SPCC | System Performance Check Compound |
| CLM | Contained Liquid Membrane |
| RNAA | Radiochemical Neutron Activation Analysis |
| ARDRA | Amplified RDNA Restriction Analysis |