saponify

[suh-pon-uh-fahy] Chemistry.
verb (used with object), saponified, saponifying.
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), saponified, saponifying.
3.
to become converted into soap.

Origin:
1815–25; < Latin sāpōn- (stem of sāpō) soap + -ify

saponifiable, adjective
saponification, noun
saponifier, noun
nonsaponifiable, adjective
nonsaponification, noun
unsaponifiable, adjective
unsaponified, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To saponification
Collins
World English Dictionary
saponify (səˈpɒnɪˌfaɪ)
 
vb , -fies, -fying, -fied
1.  to undergo or cause to undergo a process in which a fat is converted into a soap by treatment with alkali
2.  to undergo or cause to undergo a reaction in which an ester is hydrolysed to an acid and an alcohol as a result of treatment with an alkali
 
[C19: from French saponifier, from Latin sāpōsoap]
 
sa'ponifiable
 
adj
 
sa'ponifier
 
n
 
saponifi'cation
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

saponification sa·pon·i·fi·ca·tion (sə-pŏn'ə-fĭ-kā'shən)
n.
A reaction in which an ester is heated with an alkali, such as sodium hydroxide, producing a free alcohol and an acid salt, especially alkaline hydrolysis of a fat or an oil to make soap.

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.
Cite This Source
Example sentences
Describes a reaction system experiment utilizing saponification of ethyl acetate by sodium hydroxide.
Much above that will mean that not all of the lye has been consumed in the saponification.
Direct saponification has been the preferred method for hydrolyzing samples because of cost- and time-effectiveness.
The making of soap that you describe is called a base-catalyzed saponification.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature