- any hairlike outgrowth from an epidermal cell of a plant, as a bristle, prickle, root hair, etc.
- any of the threadlike structures, or filaments, of certain algae
Origin of trichomeGerman trichom ; from Classical Greek trich?ma, growth of hair ; from trichoun, to cover with hair ; from thrix (gen. trichos), hair
A hairlike or bristlelike, sometimes glandular, outgrowth from the epidermis of a plant.
Origin of trichomeGreek trikh&omacron;ma, growth of hair, from trikhoun, to cover with hair, from thrix, trikh-, hair.