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

• lapwork
• lapworks
• laquearia
• lar
• LAR
• larboard
• larboards
• LARC
• larcener
• larceners
• larcenies
• larcenist
• larcenists
• larcenous
• larcenously
• larceny
• larch
• larchen
• larches
• lard
• lardaceous
• lardalite
• lardalites
• lard-arse
• lard-arsed