| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024py•rim•i•dine (pī rim′i dēn′, pi-, pir′ə mi dēn′, -din),USA pronunciation n. [Biochem.]- Biochemistrya heterocyclic compound, C4H4N2, that is the basis of several important biochemical substances.
- Biochemistryone of several pyrimidine derivatives, esp. the bases cytosine, thymine, and uracil, which are fundamental constituents of nucleic acids.
- blend of, blended pyridine and imide 1880–85
Collins Concise English Dictionary © HarperCollins Publishers:: pyrimidine /paɪˈrɪmɪˌdiːn/ n - 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
- 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
Etymology: 20th Century: variant of pyridine |