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/paɪˈɹɪ.mɪˌdiːn/ · noun
(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.
Use pyrimidine when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pyrimidine means (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.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pyrimidine where its definition matches the intended context.
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