solubleness

/ˈsɑljəbəlnəs/
noun
  1. The quality or state of being able to be dissolved, especially in a liquid.
    • Scientists tested the solubleness of the new medicine to ensure it would work in the bloodstream.
    • The solubleness of this cleaning powder means it leaves no gritty residue.
    • The solubleness of sugar in hot water makes it easy to sweeten tea.
Synonyms