Dictionary

pyrimidine

pyrimidine

noun py·rim·i·dine \pī-ˈri-mə-ˌdēn, pə-\

Definition of PYRIMIDINE

1
:  a feeble organic base C4H4N2 of penetrating odor
2
:  a derivative of pyrimidine; especially :  a base (as cytosine, thymine, or uracil) that is a constituent of DNA or RNA

Origin of PYRIMIDINE

International Scientific Vocabulary, alteration of pyridine
First Known Use: 1885

pyrimidine

noun py·rim·i·dine \pī-ˈrim-ə-ˌdēn, pə-\   (Medical Dictionary)

Medical Definition of PYRIMIDINE

1
:  a weakly basic organic compound C4H2N2 of penetrating odor that is composed of a single six-membered ring having four carbon atoms with nitrogen atoms in positions one and three
2
:  a derivative of pyrimidine having its characteristic ring structure; especially :  a base (as cytosine, thymine, or uracil) that is a constituent of DNA or RNA

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