solubility
Americannoun
noun
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the ability of a substance to dissolve; the quality of being soluble
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a measure of this ability for a particular substance in a particular solvent, equal to the quantity of substance dissolving in a fixed quantity of solvent to form a saturated solution under specified temperature and pressure. It is expressed in grams per cubic decametre, grams per hundred grams of solvent, moles per mole, etc
Other Word Forms
Etymology
Origin of solubility
Explanation
Use the noun solubility to refer to how easily something dissolves in water or another liquid. Salt has high solubility, easily dissolving in water, while oil has low solubility in water, and sand is not at all soluble in water. Solubility is also a synonym for solvability, or how easy or difficult a particular problem is to solve. The solubility of your math homework is pretty much a sure thing. The solubility of some of the planet's more thorny issues — racism, climate change, violence — is less certain.
Vocabulary lists containing solubility
Chemistry - Introductory
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Structure and Properties of Matter - Middle School
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Chemistry - High School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In our testing, we’ve found it capable of wide-ranging conversations about classical architecture, campground amenities, the solubility of selenium—you know, typical Friday night banter.
From The Wall Street Journal ● Nov. 23, 2025
Mirkin explained that the issue lies not in the drug itself but in its poor solubility.
From Science Daily ● Nov. 5, 2025
The solvent extracts most of the caffeine and other chemical compounds with a similar solubility to caffeine from the coffee beans.
From Salon ● Jul. 23, 2024
The solubility of the drug can also change.
From Science Daily ● Nov. 20, 2023
Alizarin Cyanine, Anthracene Blue and Brilliant Alizarin Blue were discovered later than the above-mentioned alizarin blues, and, owing to their greater solubility and other advantages, they have largely replaced them as substitutes for indigo.
From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
