noun
an essential oil obtained from the leaves of eucalypts
• Hypernyms: ↑essential oil, ↑volatile oil
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noun : any of various essential oils obtained from the leaves of various eucalypts (as Eucalyptus globulus) and used in pharmaceutical preparations (as antiseptics, cough drops), in perfumes, and in the flotation process for concentrating ores
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eucalyptus oil,
any one of various oils obtained from the leaves of eucalyptus trees, used chiefly as antiseptics, deodorants, and stimulants.
Useful english dictionary. 2012.