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

• matricides
• matriclinic
• matriclinous
• matricliny
• matric potential
• matric potentials
• matrics
• matricula
• matricular
• matriculas
• matriculate
• matriculated
• matriculates
• matriculating
• matriculation
• matriculations
• matriculator
• matriculators
• matriculatory
• matrifocal
• matrifocalities
• matrifocality
• matrilineal
• matrilineally
• matrilinear