UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈpjʊəriːn/, /ˈpjʊərɪn/US:USA pronunciation: respellingUSA pronunciation: respelling(pyŏŏrēn, -in)

WordReference Random House Unabridged Dictionary of American English © 2020
pu•rine  (pyŏŏrēn, -in),USA pronunciation n. [Chem., Biochem.]
  1. Biochemistry, Chemistrya white, crystalline compound, C5H4N4, from which is derived a group of compounds including uric acid, xanthine, and caffeine.
  2. Biochemistry, Chemistryone of several purine derivatives, esp. the bases adenine and guanine, which are fundamental constituents of nucleic acids.
  • German Purin. See pure, uric, -ine2
  • 1895–1900

Collins Concise English Dictionary © HarperCollins Publishers::
purine /ˈpjʊəriːn/, purin /ˈpjʊərɪn/ n
  1. a colourless crystalline solid that can be prepared from uric acid. Formula: C5H4N4
  2. Also called: purine base any of a number of nitrogenous bases, such as guanine and adenine, that are derivatives of purine and constituents of nucleic acids and certain coenzymes
Etymology: 19th Century: from German Purin; see pure, uric, -ine²
'purine' also found in these entries (note: many are not synonyms or translations):
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