| 单词 | pyrimidine |
| 释义 | Word Frequency pyrimidine(paɪˈrɪmɪˌdiːn) noun 1. a liquid or crystalline organic compound with a penetrating odour; 1,3-diazine. It is a weakly basic soluble heterocyclic compound and can be prepared from barbituric acid. Formula: C4H4N2 2. Also called: pyrimidine base any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids Word origin C20: variant of pyridine |
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