origanum oil

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o·rig·a·num oil

(ŏ-rig'ă-nŭm oyl),
The volatile oil, which contains carvacrol, obtained from various species of Origanum (family Labiatae); used as a rubefacient, as a constituent in veterinary liniments, and in microscopic techniques.
References in periodicals archive ?
Genotoxicity and antigenotoxi-city of Origanum oil and carvacrol evaluated by Ames Salmonella/microsomal test.