trichome
/ˈtraɪkoʊm/
noun
- A small, hair-like growth on the surface of a plant, used for protection, reducing water loss, or secreting substances.
- Under the microscope, the trichomes on the stem looked like delicate glass hairs.
- The fuzzy texture of the leaf is caused by tiny trichomes covering its surface.
- Some plants have stinging trichomes that release irritants when touched.