saponification number
noun
: a measure of the total free and combined acids especially in a fat, wax, or resin expressed as the number of milligrams of potassium hydroxide required for the complete saponification of one gram of substance
called also saponification value
Cite this Entry
“Saponification number.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/saponification%20number. Accessed 4 Jul. 2025.
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