nonsaponifiable

adjective
non·​sa·​pon·​i·​fi·​able | \ ˌnän-sə-ˈpä-nə-ˌfī-ə-bəl How to pronounce nonsaponifiable (audio) \

Definition of nonsaponifiable

: not able to be converted into soap : not capable of being saponified nonsaponifiable fats

First Known Use of nonsaponifiable

1859, in the meaning defined above

Keep scrolling for more