sol·​u·​ble | \ ˈsäl-yə-bəl How to pronounce soluble (audio) \

Definition of soluble

1 : susceptible of being dissolved in or as if in a liquid and especially water
2 : subject to being solved or explained soluble questions

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Did You Know?

Soluble looks like a word that should be confined to chemistry labs, though it's often used by nonchemists as well to describe substances that can be dissolved in liquids. On the other hand, the sense of soluble meaning "solvable" is also quite common. In this sense, soluble, like its opposite, insoluble, is usually paired with problem. If only all life's problems were soluble by stirring them in a container filled with water.

Examples of soluble in a Sentence

Sugar is soluble in water. one murder case that proved to be soluble after all
Recent Examples on the Web Plant food: Miracle-Gro has water soluble, all-purpose plant food as well as spikes to continuously feed flowering and foliage houseplants. oregonlive, "Suit up for World Naked Gardening Day: A holster to hold pruners," 1 May 2020 This boosts the flour’s nutrient count by rendering the chitin—the main compound in insects’ exoskeletons—soluble, and allowing more protein bits to bond with other ingredients. Popular Science, "You should start eating bugs. Here’s how.," 22 Apr. 2020 Some hotels have eliminated tiny toiletries and new companies are introducing plastic-free alternatives like water soluble pods. Kelly Allen, House Beautiful, "Bottle Refill Shops Let You Easily Buy Home Products in an Eco-Friendly Way," 16 Mar. 2020 There are two types of fiber: soluble, which dissolves in water to create a gelish substance, and insoluble, which doesn’t break down at all. Carolyn L. Todd, SELF, "How Much Fiber Should I Be Eating to Feel Regular?," 30 May 2019 Casein is a water-soluble paint derived from milk protein that has a matte, cloudy look to it. Barry Schwabsky, The New York Review of Books, "Playful & Philosophical: The Paintings of Moira Dryer," 25 Apr. 2020 Legumes can add some creamy goodness, in addition to soluble and insoluble fiber, to just about any meal. Katie Bourque, Good Housekeeping, "How Long Do Dried Beans Last? Here's What You Should Know," 24 Mar. 2020 Feed the plant a water-soluble fertilizer once a month in spring and summer. Grace Haynes, Southern Living, "How To Grow a Pineapple From a Top," 11 Apr. 2020 Vitamin A is fat-soluble, and children with VAD rarely have fats in their diet. Dominic Glover, The Conversation, "The Philippines has rated ‘Golden Rice’ safe, but farmers might not plant it," 7 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'soluble.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of soluble

15th century, in the meaning defined at sense 1

History and Etymology for soluble

Middle English, from Anglo-French, digestible, laxative, from Late Latin solubilis, from Latin solvere to loosen, dissolve — more at solve

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Time Traveler for soluble

Time Traveler

The first known use of soluble was in the 15th century

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Statistics for soluble

Last Updated

27 May 2020

Cite this Entry

“Soluble.” Dictionary, Merriam-Webster, Accessed 5 Jun. 2020.

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More Definitions for soluble


How to pronounce soluble (audio)

English Language Learners Definition of soluble

: capable of being dissolved in a liquid
formal : capable of being solved or explained


sol·​u·​ble | \ ˈsäl-yə-bəl How to pronounce soluble (audio) \

Kids Definition of soluble

1 : capable of being dissolved in liquid Sugar is soluble in water.
2 : capable of being solved or explained a soluble problem


sol·​u·​ble | \ ˈsäl-yə-bəl How to pronounce soluble (audio) \

Medical Definition of soluble

1 : susceptible of being dissolved in or as if in a fluid
2 : capable of being emulsified a soluble oil

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More from Merriam-Webster on soluble

Thesaurus: All synonyms and antonyms for soluble

Rhyming Dictionary: Words that rhyme with soluble

Spanish Central: Translation of soluble

Nglish: Translation of soluble for Spanish Speakers

Britannica English: Translation of soluble for Arabic Speakers

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