| SC | Synthetic cannabinoid |
| THC | Tetrahydrocannabinol |
| GIRK | G protein-gated inward rectifier K+ |
| SAR | Structure versus activity relationship |
| GPCR | G protein-coupled receptor |
| EMCDDA | European Monitoring Centre for Drugs & Drug Addiction |
| TRP | Transient receptor potential |
| ERK1/2 | Extracellular signal-regulated kinase 1/2 |
| AEA | Anandamide |
| 2AG | 2-Arachidonoylglycerol |
| EC50 | Half-maximal effective concentration |
| Emax | Maximal response |
| FRET | Förster resonance energy transfer |
| CNG | Cyclic nucleotide-gated |
| BRET | Bioluminescence resonance energy transfer |
| MPSD | Membrane potential-sensitive dye |
| TM | Transmembrane domains |