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

• tarsiers
• tarsioid
• tarsiped
• tarsipeds
• Tarsipes
• tarsometatarsal
• tarsometatarsus
• tar spot
• tar spots
• tarsus
• tart
• tartan
• Tartan
• tartana
• tartanalia
• tartanalias
• Tartan Army
• tartanas
• tartane
• tartaned
• tartanries
• tartanry
• tartans
• Tartan tax
• tartar