hedeoma oil Hedeoma • hedeoma pulegioides · · · Info · Definitions · Synonyms · Characters · · hedeoma oil · · Text Common · · Latin · · Scripts 11 · · Length 5 · · Syllables Definitions · · · (noun) aromatic oil from American pennyroyal. Synonyms: pennyroyal oil, hedeoma oil. · · Noun Definition 1 Synonyms · · · pennyroyal oil · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F