saponify

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sa·pon·i·fy

(să-pon'i-fī),
To perform or undergo saponification.

saponify

(să-pŏn′ĭ-fī)
To convert into a soap, as when fats are treated with an alkali to produce a free alcohol plus the salt of the fatty acid. Thus, stearin, saponified with sodium hydroxide, yields the alcohol glycerol plus the soap sodium stearate.