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cinnamon oil

noun

Medical Definition of cinnamon oil

  1. :  an oil obtained from a tree or shrub of the genus Cinnamomum: asa:  cinnamon-bark oilb:  a yellowish or brownish essential oil obtained from the leaves and young twigs of a cinnamon tree (Cinnamomum cassia) and used chiefly as a flavoring—called also cassia oil

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