Definition of "oxetane" [oxetane]

• A class of heterocyclic compounds having a four-membered ring containing 3 carbon atoms and 1 oxygen atom; the parent compound C3H6O (noun)

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• "The researchers modified the chitosan slightly with the addition of the structures composed of four carbon atoms called oxetane rings."
• "They designed molecules joining ring-shaped molecules called oxetane with chitosan."
• "It is the oxetane rings that give the material its ability to heal, says Urban."