center of gravity

noun

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

/ sĕn′tər /

1. The center of mass of an object in the presence of a uniform gravitational field.

center of gravity

1. 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.

Word History and Origins

Origin of center of gravity¹

First recorded in 1650–60