[ sol-yuh-buh l ]
/ ˈsɒl yə bəl /


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


something soluble.

Origin of soluble

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

Related forms

Can be confused

solvable soluble Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for soluble

British Dictionary definitions for soluble


/ (ˈsɒljʊbəl) /


(of a substance) capable of being dissolved, esp easily dissolved in some solvent, usually water
capable of being solved or answered

Derived Forms

solubleness, nounsolubly, adverb

Word Origin for soluble

C14: from Late Latin solūbilis, from Latin solvere to dissolve
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for soluble


[ sŏlyə-bəl ]


Capable of being dissolved, especially easily dissolved.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for soluble


[ sŏlyə-bəl ]

Capable of being dissolved. Salt, for example, is soluble in water.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.