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

• drag one's feet
• drag one's heels
• dragoness
• dragonesses
• dragonet
• dragonets
• dragon-fish
• dragon-fishes
• dragonflies
• dragonfly
• dragon fruit
• dragon fruits
• dragonhead
• dragonheads
• dragonise
• dragonised
• dragonises
• dragonish
• dragonising
• dragonism
• dragonisms
• dragonize
• dragonized
• dragonizes
• dragonizing