insoluble - Wiktionary, the free dictionary


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From Middle English insolible, from Middle French insoluble, from Latin insolūbilis, from in- +‎ solūbilis.[1] Equivalent to in- +‎ soluble. Piecewise doublet of insolvable and unsolvable.

insoluble (comparative more insoluble, superlative most insoluble)

  1. (physical chemistry) That cannot be dissolved. For example, petroleum is largely insoluble in water.
  2. That cannot be solved; unsolvable; insolvable.
    • 2024, Jeremy B. Rudd, A Practical Guide to Macroeconomics, p. 3
      The reason Fisher concluded that the problem is likely insoluble is that the ability of real-world agents to act on new perceived opportunities of arbitrage – including those that turn out to be incorrect – makes stability impossible to demonstrate without additional strong (and unrealistic) assumptions.
  3. That cannot be explained; mysterious or inexplicable.
  4. That cannot be broken down or dispersed.

not soluble; that cannot be dissolved

not solvable; that cannot be solved

not explainable

insoluble (plural insolubles)

  1. Any substance that cannot be dissolved.

    • 2006, Ashok Pandey, Enzyme Technology, page 518:

      As there is a partial vacuum inside the drum, the liquid is sucked inside the drum and the insolubles are deposited on the outer surface of the membrane filter.

  1. ^ “insoluble”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present, reproduced from Stuart Berg Flexner, editor in chief, Random House Unabridged Dictionary, 2nd edition, New York, N.Y.: Random House, 1993, →ISBN.

Borrowed from Latin īnsolūbilis.

insoluble m or f (masculine and feminine plural insolubles)

  1. insoluble
  2. unsolvable

From Latin īnsolūbilis.

insoluble (plural insolubles)

  1. (chemistry) insoluble
  2. (mathematics) insoluble

From Latin īnsolūbilis.

  • IPA(key): /insoˈluble/ [ĩn.soˈlu.β̞le]
  • Rhymes: -uble
  • Syllabification: in‧so‧lu‧ble

insoluble m or f (masculine and feminine plural insolubles)

  1. insoluble
  2. unsolvable