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

This number is especially equipped to stop breakouts in their tracks, and that's because tea tree oil is highly effective in killing acne-causing bacteria. —Sarah Han, Allure, 14 Jan. 2025

To improve your home air quality, Graham recommends mixing ten parts white vinegar with 1 part tea tree oil and soaking a thin microfiber cloth. —Sophie Flaxman, Better Homes & Gardens, 13 Jan. 2025

Some people use biodegradable soap and a washcloth, while others prefer tea tree oil and a cotton bandana. —Isabella Rosario, Outside Online, 19 Dec. 2024

Some are supported by evidence, including apple cider vinegar, coconut oil, tea tree oil, and avocado. —Adrienne Dellwo, Verywell Health, 4 Jan. 2025

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