pennyroyal oil

noun

: a yellowish aromatic essential oil obtained from an American pennyroyal (Hedeoma pulegioides) and used as an insect repellent and in folk medicine as an emmenagogue, carminative, and stimulant

called also hedeoma oil

Dictionary Entries Near pennyroyal oil

Cite this Entry

“Pennyroyal oil.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pennyroyal%20oil. Accessed 28 Nov. 2022.

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