from The American Heritage® Dictionary of the English Language, 4th Edition
- n. 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.
- n. 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).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a point, near or within a body, through which its weight can be assumed to act when considering forces on the body and its motion under gravity. This coincides with the center of mass in a uniform gravitational field
- n. any pivotal or central idea or group.
from the GNU version of the Collaborative International Dictionary of English
- n. that point of a body about which all its parts can be balanced, or which being supported, the whole body will remain at rest, though acted upon by gravity.
- n. See under Center.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the point within something at which gravity can be considered to act; in uniform gravity it is equal to the center of mass
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