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center of gravity

 - 3 dictionary results

center of gravity

 
Use center of gravity in a Sentence
–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.
Origin:
1650–60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To center of gravity
center of gravity  
n.   pl. centers of gravity

  1. Abbr. CG The point in or near a body at which the gravitational potential energy of the body is equal to that of a single particle of the same mass located at that point and through which the resultant of the gravitational forces on the component particles of the body acts.

  2. The point of greatest importance, interest, or activity: "The center of gravity for the English language is no longer Britain. American English is the greatest influence on English everywhere" (Robert W. Burchfield).

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
center of gravity   (sěn'tər)  Pronunciation Key 
The center of mass of an object in the presence of a uniform gravitational field.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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