purine /pūrˈin or pūrˈēn/ or purin /pūˈrin/

1. A cyclic double-ring crystalline substance C₅H₄N₄, which with oxygen forms uric acid (C₅H₄N₄O₃), and with many derivatives
2. Any of a number of these derivatives, cyclic diureides, such as adenine and guanine, esp one which is part of the nucleotide chains of DNA and RNA

• -pathetic
• pathetic
• pathetical
• pathetically
• pathetic fallacies
• pathetic fallacy
• pathetics
• pathfinder
• posture-master
• posturer
• posturers
• postures
• posturing
• posturist
• posturists
• post village
• post villages
• post-vintage
• post-vintage thoroughbred
• postviral
• postviral syndrome
• post-vocalic
• post-war
• post-war credit
• postwoman