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soluble

/ˈsɑljəbəl/
/ˈsɒljubəl/
IPA guide

Other forms: solubly

Sugar is soluble. It dissolves easily in water. You can also use the word to describe a problem that can be solved easily.

How are the two definitions of soluble related? When you dissolve something in a liquid, the combination is known as a solvent or a solution. All of these "sol-" words descend from the Latin word that means loosen or unfasten. When you dissolve something in water, you loosen the molecules. And if you think of a problem like a knot, to solve it is to loosen it up.

Definitions of soluble
  1. adjective
    (of a substance) capable of being dissolved in some solvent (usually water)
    synonyms:
    alcohol-soluble
    soluble in alcohol
    dissoluble, dissolvable
    capable of dissolving
    fat-soluble
    soluble in fats
    disintegrable, meltable
    capable of melting
    oil-soluble
    soluble in oil
    water-soluble
    soluble in water
    see moresee less
    antonyms:
    insoluble
    (of a substance) incapable of being dissolved
    non-water-soluble, water-insoluble
    not soluble in water
  2. adjective
    susceptible of solution or of being solved or explained
    “the puzzle is soluble
    synonyms:
    explicable
    capable of being explicated or accounted for
    answerable
    capable of being answered
    resolvable, solvable
    capable of being solved
    see moresee less
    antonyms:
    insoluble
    admitting of no solution or explanation
    incomprehensible, inexplicable
    incapable of being explained or accounted for
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