• (n.) An oily substance obtained by the distillation of castor oil, recognized as the aldehyde of oenanthylic acid, and hence called also oenanthaldehyde.
OE·nan'thol noun [ œnanthy lic + Latin ole um oil.] (Chemistry) An oily substance obtained by the distillation of castor oil, recognized as the aldehyde of œnanthylic acid, and hence called also œnanthaldehyde .