Saponul
Pronunciation : Sap"o*nul
Part of Speech : n.
Etymology : [F. saponule, fr. L. sapo, -onis, soap.] (Old Chem.)
Definition : Defn: A soapy mixture obtained by treating an essential oil with an alkali; hence, any similar compound of an essential oil. [Written also saponule.] [Obs.]
Source : Webster's Unabridged Dictionary, 1913