SG Heritage Dictionary

Saponify [Verb transitive] Webster's Dictionary 1828

To convert into soap by combination with an alkali.

Saponify [Verb transitive] Webster's Dictionary 1913

To convert into soap, as tallow or any fat; hence (Chem.), to subject to any similar process, as that which ethereal salts undergo in decomposition; as, to saponify ethyl acetate.

Saponifying [Present participle and verbal noun] Webster's Dictionary 1913

of Saponify