center of gravity

American  

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.

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center of gravity Scientific  

/ sĕn′tər /

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

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center of gravity Cultural  

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.

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Etymology

Origin of center of gravity

First recorded in 1650–60

Compare meaning

How does center-of-gravity compare to similar and commonly confused words? Explore the most common comparisons:

• center of mass vs. center of gravity

Example Sentences

SUVs’ higher ground clearance, taller roofline and commanding sightlines impose a higher center of gravity; longer suspension travel and greater elasticity; and heavier wheels and tires, making them drive like toddlers walk.

From The Wall Street Journal • Mar. 6, 2026

Twenty pounds doesn’t sound like a lot, but I was only 170, which meant I had an extra 10% of body weight resting above my center of gravity.

From The Wall Street Journal • Mar. 1, 2026

“It will be a struggle over who holds the center of gravity inside the organization, and that result is not preordained.”

From Los Angeles Times • Feb. 27, 2026

But the center of gravity in the Senate remains resistant to change.

From Barron's • Jan. 16, 2026

Citra’s lower center of gravity made her more stable.

From "Scythe" by Neal Shusterman