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

The formula leans on binchotan charcoal for a deep clean, plus tea tree and peppermint oils for a refreshing tingling effect. —Conçetta Ciarlo, Vogue, 26 Aug. 2025

Key ingredients like cannabis sativa seed oil, tea tree oil, and honey work together to soothe inflammation, hydrate the scalp, and visibly reduce flakes. —Jailynn Taylor, Allure, 21 Aug. 2025

Try citronella, lavender, eucalyptus, or tea tree oil in candles, diffusers, or diluted in a carrier oil for topical applications. —Nafeesah Allen, Better Homes & Gardens, 19 Aug. 2025

Additional ingredients such as ethanol, tea tree oil and glycerin boost the effect of the nitric oxide, while also providing moisturizing qualities that keep the gel from drying out the skin. —New Atlas, 15 Aug. 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