- to convert (a fat) into soap by treating with an alkali.
- to decompose (any ester), forming the corresponding alcohol and acid or salt.
- to become converted into soap.
Origin of saponify
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for saponifier
The amount of this to be added depends upon the percentage of saponifier used.
The fatty acids obtained by the Twitchell saponifier may be converted into soap by carbonates, thus saving cost in alkali.
The saponifier is then added through a glass or granite ware funnel after the contents of the tank have been brought to a boil.
- to undergo or cause to undergo a process in which a fat is converted into a soap by treatment with alkali
- 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 sāpō soap
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
Word Origin and History for saponifier
1821, from French saponifier (see saponification). Related: Saponified; saponifying.
Online Etymology Dictionary, © 2010 Douglas Harper
- To undergo saponification.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.