pyranose

/ˈpaɪrəˌnoʊs/
noun
  1. A type of sugar molecule that has a six-membered ring structure containing five carbon atoms and one oxygen atom.
    • Chemists study the stability of pyranose rings in different sugars.
    • The pyranose form of fructose is less common than its furanose form.
    • Glucose in solution often exists as a pyranose ring.