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[fat-sol-yuh-buh l] /ˈfætˌsɒl yə bəl/
adjective, Chemistry
soluble in oils or fats.
Origin of fat-soluble
1920-25 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for fat-soluble
  • fat-soluble vitamins are stored in the body's fatty tissue.
  • Some people prefer low-fat to nonfat, which can be watery and sour, and may contain fewer fat-soluble vitamins.
  • The liver produces bile, a green-colored fluid that helps the body absorb fats and fat-soluble vitamins.
British Dictionary definitions for fat-soluble


soluble in nonpolar substances, such as ether, chloroform, and oils. Fat-soluble compounds are often insoluble in water
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
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fat-soluble in Medicine

fat-soluble adj.
Soluble in fats or fat solvents.

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