trichome

noun

tri·​chome ˈtri-ˌkōm  ˈtrī- 

: a filamentous outgrowth

especially : an epidermal hair structure on a plant

Examples of trichome in a Sentence

Recent Examples on the Web

Additionally, the leaves of the dogwood have trichomes that help protect against environmental stressors and pests. —Sj McShane, Martha Stewart, 12 Feb. 2026

The millipede is characterized by its yellowish-brown body, red-brown eyes and distinctive bristle-like appearance created by bundles of trichomes. —Real-Time News Team, Miami Herald, 8 Aug. 2025

This powdery concentrate is packed with trichomes — the part of the cannabis plant richest in THC. —Matt Rozo, Mercury News, 4 June 2025

Look for buds that are dense and coated with trichomes (tiny, crystal-like structures). —Matt Rozo, The Mercury News, 18 Mar. 2025

Very fuzzy or gray tillandsia species have a more extensive trichome layer than greener tillandsias. —Miri Talabac, Baltimore Sun, 13 Feb. 2025

Third place went to Chris Romaine for an image of a cannabis plant leaf, which reveals cannabinoid vesicles as pink bubbles on hair-like plant appendages called trichomes. —Michael Irving, New Atlas, 19 Oct. 2024

Word History

Etymology

German Trichom, from Greek trichōma growth of hair, from trichoun to cover with hair, from trich-, thrix hair

First Known Use

1875, in the meaning defined above

Rhymes for trichome

• biome
• genome
• megohm
• nichrome
• noisome
• prodrome
• radome
• rhizome
• shalom
• syndrome
• acrosome
• aerodrome

Medical Definition

trichome

noun

tri·​chome ˈtrik-ˌōm  ˈtrī-ˌkōm 

: a strand or chain of cells (as in a filamentous colony of bacteria or algae)