tea tree oil

noun

Medical Definition of tea tree oil

: an essential oil derived from an Australian tree (Melaleuca alternifolia) and used especially as an antiseptic

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“Tea tree oil.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/tea%20tree%20oil. Accessed 24 Nov. 2020.

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