solubility

UK: /ˌsɒljʊˈbɪlɪtɪ/ US: /ˌsɑljəˈbɪlɪti/ ,(sol′yə bil′i tē)

WordReference Random House Unabridged Dictionary of American English © 2025

sol•u•bil•i•ty  (sol′yə bil′i tē), n. 

1. Chemistry the quality or property of being soluble;
   relative capability of being dissolved.

• soluble + -ity 1670–80

Collins Concise English Dictionary © HarperCollins Publishers::

solubility / ˌsɒljʊˈbɪlɪtɪ/ noun ( -ties)

1. the ability of a substance to dissolve; quality of being soluble
2. 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

WordReference Random House Learner's Dictionary of American English © 2025

sol•u•ble /ˈsɑlyəbəl/   adj. 

1. Chemistry capable of being dissolved or made into liquid:
   a soluble powder.
2. capable of being solved or explained:
   a soluble problem.

n. [countable]

3. something soluble.

sol•u•bil•i•ty /ˌsɑlyəˈbɪlɪti/  n. [uncountable] See -solv-.

WordReference Random House Unabridged Dictionary of American English © 2025

sol•u•ble  (sol′yə bəl), adj. 

1. Chemistry capable of being dissolved or liquefied:
   a soluble powder.
2. capable of being solved or explained:
   a soluble problem.

n. 

3. something soluble.

• Late Latin solūbilis, equivalent. to Latin solū-, variant stem of solvere to loosen, dissolve + -bilis -ble
• Middle English 1350–1400

sol′u•ble•ness, n. 
sol′u•bly, adv.