The Collaborative International Dictionary
palmin
Ricinolein \Ric`in*o"le*in\, n. [L. ricinus castor-oil plant + oleum oil.] (Chem.) The glycerin salt of ricinoleic acid, occuring as a characteristic constituent of castor oil; -- formerly called palmin.
Wiktionary
palmin
n. 1 (context organic compound obsolete English) A white waxy or fatty substance obtained from castor oil. 2 (context organic compound obsolete English) ricinolein