a supplementary keel for a sailing vessel, which may be adjusted by raising and lowering Compare daggerboard
center. Geometry. the middle point, as the point within a circle or sphere equally distant from all points of the circumference or surface, or the point within a regular polygon equally distant from the vertices. a point, pivot, axis, etc., around which anything rotates or revolves: The sun is the center of the solar system. […]
Central office exchange service
- Centric fusion
centric fusion n. See robertsonian translocation.
pertaining to or situated at the center; central. Anatomy, Physiology. pertaining to or originating at a nerve center. Historical Examples adjective being central or having a centre relating to or originating at a nerve centre (botany) Also concentric. (of vascular bundles) having one type of tissue completely surrounding the other (of leaves, such as those […]