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unsaponifiable

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sa⋅pon⋅i⋅fy

  [suh-pon-uh-fahy] verb, -fied, -fy⋅ing. Chemistry
Use unsaponifiable in a Sentence
–verb (used with object)
1. to convert (a fat) into soap by treating with an alkali.
2. to decompose (any ester), forming the corresponding alcohol and acid or salt.
–verb (used without object)
3. to become converted into soap.
Origin:
1815–25; < L sāpōn- (s. of sāpō) soap + -ify

Related forms:
sa⋅pon⋅i⋅fi⋅a⋅ble, adjective
sa⋅pon⋅i⋅fi⋅ca⋅tion, noun
sa⋅pon⋅i⋅fi⋅er, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: sa·pon·i·fy
Pronunciation: s&-'pän-&-"fI
Function: verb
Inflected Forms: -fied; -fy·ing
transitive senses
: to convert (as a fat or fatty acid) into soap : subject to saponification saponify intransitive senses
: to undergosaponification

Main Entry: un·sa·pon·i·fi·able
Pronunciation: -s&-"pän-&-'fI-&-b&l
Function: adjective
: incapableof being saponified —used especially of the portion of oils and fats other than the glycerides <unsaponifiable fractions such as steroids or vitamin A>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

saponify sa·pon·i·fy (sə-pŏn'ə-fī')
v. sa·pon·i·fied, sa·pon·i·fy·ing, sa·pon·i·fies
To undergo saponification.

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