| 1. | 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. |
| 2. | a person, thing, or idea that is the vital or pivotal focus of interest or activity within a larger entity. |
| center of gravity n. pl. centers of gravity
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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.