pennyroyal oil
1. oil from European pennyroyal having an odor like mint; used chiefly in soaps • Hypernyms: oil • Substance Holonyms: pennyroyal, Mentha pulegium 2. aromatic oil from American pennyroyal • Syn: hedeoma oil • Hypernyms: oil • Substance Holonyms: pennyroyal, American pennyroyal, Hedeoma pulegioides
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