Definition of water-soluble in US English:



  • Able to be dissolved in water.

    ‘the paint is water-soluble’
    ‘water-soluble vitamins’
    • ‘Fortunately, the ink in the pen turned out to be water-soluble, and a cycle through through the washing machine has got them clean again.’
    • ‘Never soak them; water-soluble vitamins will leach into the soaking water.’
    • ‘There are no toxicity issues with water-soluble vitamins, because they flush out of the body.’
    • ‘Vitamins in the B group are water soluble, which means that body stores of most water-soluble vitamins vary daily according to our daily diet.’
    • ‘Cyanide is a colourless, lethal, water-soluble poison occasionally used by mafia assassins.’