- Saponul
- 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]
The Collaborative International Dictionary of English. 2000.