'saponule' definitions:
Definition of 'saponule'
From: GCIDE
- Saponul \Sap"o*nul\, n. [F. saponule, fr. L. sapo, -onis, soap.] (Old Chem.) A soapy mixture obtained by treating an essential oil with an alkali; hence, any similar compound of an essential oil. [Written also saponule.] [Obs.] [1913 Webster]