Not subject to saponification; e.g., triacylglycerols are saponifiable but cholesterol is nonsaponifiable. ... (05 Mar 2000) ... 
Type: Term Pronunciation: non′să-pon′i-fī′a-bĕl Definitions: 1. Not subject to saponification; triacylglycerols are saponifiable but cholesterol is nonsaponifiable.