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substantive +‎ -ity


substantivity (plural substantivities)

  1. The state of being substantive.
  2. The ability of a chemical or dye to stick to a target.
    • [1]
      Protein bound chlorhexidine releases slowly leading to prolonged activity. This phenomenon is known as substantivity and allows for a longer duration of antimicrobial action against a broad spectrum of bacteria and fungi.
    • 2015, Richard Blackburn, Sustainable Apparel: Production, Processing and Recycling, Woodhead Publishing, page 140:
      The term substantivity refers to the ability of a dye to transfer from a solution onto a textile fiber and to "set".