eucalyptus oil

noun

: any of various essential oils obtained from the leaves of various members of the genus Eucalyptus (as E. globulus) and used in pharmaceutical preparations (as antiseptics and cough drops)

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Cite this Entry

“Eucalyptus oil.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/eucalyptus%20oil. Accessed 4 Mar. 2025.

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