Recent Examples of saponification from the Web
In 2011, Joel Ducoste of North Carolina State University and his team reported that the same process that can turn lard into soap, called saponification, happens in sewer grease if calcium’s around.
That's because typical biodiesel processing uses lye, which turns into soap when it's combined with highly fatty oils in a reaction called saponification, Hood said.
In other words, the saponification had turned them soap-like.
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First Known Use of saponification
medical Definition of saponification
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