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saponification number

noun Chemistry.

the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.

Origin of saponification number

First recorded in 1895–1900; saponi(fy) + -fication

Also called saponification value.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019