Akademik

pennyroyal oil
noun
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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noun
: either of two yellowish essential oils obtained from pennyroyal:
a. : the oil obtained from European pennyroyal that has an odor like mint and is used chiefly in soaps
b. : the aromatic oil from an American pennyroyal (Hedeoma pulegioides) — called also hedeoma oil

Useful english dictionary. 2012.