Root-hair
noun
1.
an elongated tubular extension of an epidermal cell of a root, serving to absorb water and minerals from the soil.
noun
1.
any of the hollow hairlike outgrowths of the outer cells of a root, just behind the tip, that absorb water and salts from the soil
root hair
A hairlike outgrowth of a plant root that absorbs water and minerals from the soil. Root hairs are tubular extensions of the epidermis that greatly increase the surface area of the root. They are constantly dying off and being replaced by new ones as the root grows and extends itself into the soil.
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noun 1. attachment of a plant to soil by means of its roots; support of a plant through the growing and spreading of its roots.
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adjective, rootier, rootiest. 1. abounding in or consisting of roots. rooty
- Rooting
noun 1. a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture. 2. a similar organ developed from some other part of a plant, as one of those by which ivy clings to its support. 3. any […]
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noun 1. (horticulture) a substance, usually a powder, containing auxins in which plant cuttings are dipped in order to promote root growth