tea tree

noun

1
: any of various Australasian shrubs or small trees (genus Leptospermum) of the myrtle family that form dense thickets and have aromatic evergreen foliage
2
: any of various melaleucas (especially Melaleuca alternifolia) with aromatic leaves that yield an essential oil used especially as an antiseptic

Examples of tea tree in a Sentence

Recent Examples on the Web
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The strongest essential oils are lemon, eucalyptus, tea tree, lavender, citronella, peppermint, rosemary, and clove. Louise Parks, Martha Stewart, 18 Apr. 2026 For daily cleaning, spray with a homemade mix of vinegar, water, and essential oils (like lemon or tea tree). Lauren Bengtson, Better Homes & Gardens, 11 Apr. 2026 Essential oils As an alternative to chemical fragrance, many natural deodorants add essential oils such as lavender or tea tree oil. Bestreviews, Chicago Tribune, 31 Mar. 2026 In conjunction with a relaxing lavender and tea tree scent, there’s also a botanical blend of fumaria tea and swertia japonica extract to soothe irritation, boost circulation, and promote a healthier scalp environment. Lily Wohlner, Allure, 22 Feb. 2026 See All Example Sentences for tea tree

Word History

Etymology

from the use of an infusion of their leaves as a beverage

First Known Use

1790, in the meaning defined at sense 1

Time Traveler
The first known use of tea tree was in 1790

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Cite this Entry

“Tea tree.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tea%20tree. Accessed 21 Apr. 2026.

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