saponifiable /sap-onˈi-fīˈə-bl/ adjective

saponificāˈtion noun

1. The process of turning into or forming soap
2. Hydrolysis of esters into acid and alkali

saponˈify transitive verb

To convert (esp a fat) into soap

1. To become soap
2. (of esters) to undergo hydrolysis into acid and alkali

saponin /sapˈə-nin/ noun

A glucoside derived from various plants such as soapwort, that gives a soapy froth

sapˈonite noun

A soapy amorphous silicate of magnesium and aluminium found in cavities in serpentine