English word thiopurine comes from English thio-, English purine
| Dictionary entry | Language | Definition |
|---|---|---|
| thio- | English (eng) | (chemistry) containing sulfur / sulphur, especially a compound in which oxygen has been replaced by this element. |
| purine | English (eng) | (organic compound) Any of a class of organic heterocyclic compounds, composed of fused pyrimidine and imidazole rings, that constitute one of the two groups of organic nitrogenous bases (the other being the pyrimidines) and are components of nucleic acids. |
| thiopurine | English (eng) | (organic chemistry) Any of several types of sulfur derivative of a purine, some of which have medical applications. |