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

Inside its leaves, which serve as a ‘trap,’ are tiny, sensitive hair-like structures called trichomes, also known as trigger hairs. — Sj McShane, Martha Stewart, 14 July 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
• nichrome
• noisome
• prodrome
• radome
• rhizome
• shalom
• syndrome
• acrosome
• aerodrome
• catacomb

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)