Added 10 October 2026 inulin noun Categories: NatureRare Words noun ! Definition from Wiktionary (CC BY-SA). More about inulin at Wordnik → Where our words come from → A polysaccharide found in the roots and tubers of certain plants, especially the Compositae (for example, sunchokes); it is mostly a polymer of fructose. Related Words: paracetamolinsulinsyrupadoptinuloidalantinraftiloseinulobiosepolyfructaninulolinositoldahlin Back to today's word