Definition of root hair in English:

root hair

Syllabification: root hair


  • Each of a large number of elongated microscopic outgrowths from the outer layer of cells in a root, absorbing moisture and nutrients from the soil.
    More example sentences
    • Phosphorus deficiency produced the largest increase in root hair density, and the biggest decrease in root hair inequality.
    • In the nutrient-rich area around the root hairs, microscopic bacteria and fungi feed and multiply.
    • The larvae feed on root hairs, restricting nutrient and moisture uptake by the plant.

More definitions of root hair

Definition of root hair in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space