(definition) by Webster 1913 Wed Dec 22 1999 at 2:51:09

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.]

 

© Webster 1913.

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