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

Andalou Clarifying Yuzu Grapefruit Body Wash blends 1% salicylic acid with tea tree oil to target breakouts while keeping your skin barrier calm and collected. —Christa Joanna Lee, Allure, 14 May 2025

Undiluted tea tree oil can cause contact dermatitis (a skin rash due to an irritant). —Lindsay Curtis, Health, 5 Feb. 2025

Many essential oils, including eucalyptus oil, tea tree oil, and peppermint oil, are toxic to many animals. —Jolie Kerr, Better Homes & Gardens, 13 Apr. 2025

Tree Ampoule for sensitive skin: on sale for $15.12 (20% off) Original price: $18.90 Use this tea tree ampoule for a powerful yet sensitive serum that can calm all skin troubles. —Nora Colomer, FOXNews.com, 27 Mar. 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

Rhymes for tea tree

• be
• bee
• bree
• cree
• fee
• flea
• flee
• free
• gee
• ghee
• glee
• he