root of tooth n.
The part of a tooth below the neck of the tooth, covered by cementum rather than enamel and attached by the periodontal ligament to the alveolar bone.
noun, Mathematics. 1. a complex number that when raised to some positive integral power results in 1.
noun, Music. 1. the position of a triad in which the root is in the bass. root position noun 1. (music) the vertical distribution of the written notes of a chord in which the root of the chord is in the bass See position (sense 12a), inversion (sense 5a)
noun, Botany. 1. osmotic pressure within the cells of a root system that causes sap to rise through a plant stem to the leaves. root pressure Pressure produced in the roots of plants, causing exudation of sap from cut stems and guttation of water from leaves. The pressure is generated by the concentration of solutes […]
- Root resection
root resection n. See apicoectomy.