English word thiopyrimidine comes from English thio-, English pyrimidine
| Dictionary entry | Language | Definition |
|---|---|---|
| thio- | English (eng) | (chemistry) containing sulfur / sulphur, especially a compound in which oxygen has been replaced by this element. |
| pyrimidine | English (eng) | (organic compound) A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA: thymine, uracil and cytosine. |
| thiopyrimidine | English (eng) | (organic chemistry) Any of several types of derivative of a pyrimidine containing a sulfur atom attached to the ring. |