Mechanics. the point through which the resultant of gravitational forces on a body passes and from which the resultant force of attraction of the body on other bodies emanates: coincident with the center of mass in a uniform gravitational field.
a person, thing, or idea that is the vital or pivotal focus of interest or activity within a larger entity.
center of gravity
The center of mass of an object in the presence of a uniform gravitational field.
The point in any solid where a single applied force could support it; the point where the mass of the object is equally balanced. The center of gravity is also called the center of mass. When a man on a ladder leans sideways so far that his center of gravity is no longer over his feet, he begins to fall.
- Center of ossification
center of ossification n. The site where bone begins to form in a specific bone or part of bone as a result of the accumulation of osteoblasts in the connective tissue. The site where bone begins to form in the shaft of a long bone or the body of an irregular bone; primary ossification center. […]
the point on a rigid body, suspended so as to be able to move freely about a fixed axis, at which the body may be struck without changing the position of the axis.
a point within a crystal through which any straight line extends to points on opposite surfaces of the crystal at equal distances.
an ornamental object used in a central position, especially on the center of a dining-room table. the central or outstanding point or feature: The centerpiece of the evening was a play put on by the employees. Contemporary Examples Historical Examples n. also center-piece, 1800, from center + piece (n.). Figurative sense is recorded from 1937.