pyrimidine

Etymology

First attested in 1885. From German Pyrimidin, from German Pyridin (“pyridine”), with the insertion of -mi- from amidine.

noun

  1. (organic chemistry) 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

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