indigestibility

/ˌɪndɪˌdʒɛstəˈbɪlɪti/
noun
  1. The quality of being difficult or impossible to digest.
    • The indigestibility of raw vegetables can cause stomach discomfort.
    • The indigestibility of the meal made everyone feel bloated.
    • Scientists study the indigestibility of certain fibers in the human gut.