Saponify v. t. : 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.

Example:
Can i have the full procedure for analysis of fatty esters that are difficult to Saponify?

Taxonomy
soap, oil paintings, saponification value, Centeno, NaOH, free encyclopedia, paint layers, fires, pigments, lumps, alkali, substances, extinguisher, Soapmaking, soft soap, Fire extinguishers, carbonyl group, over time.

Defination from the web:
saponify a fat sample. ... The saponified regions may deform the painting's surface through the formation of visible lumps or protrusions that can scatter light. ...