noun, Plant Pathology.
a symptom or phase of many diseases of plants, characterized by discoloration and decay of the roots.
any disease so characterized.
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 […]
[roots] /ruts/ noun 1. a machine for compressing or evacuating air or gas by the rotation of a meshing pair of lobed wheels in a closely fitting case.
noun 1. any of a small number of important large servers on the internet that match addresses at the top-domain level
- Root sheath
root sheath n. Either of two epidermic layers of the hair follicle.