Definition of 'angular momentum'
Word Frequency
angular momentum in American English
the momentum characteristic of a rotating object; the product of linear momentum and the perpendicular distance from the origin of coordinates to the path of the object: the conservation of angular momentum causes a spinning skater, star, etc. to increase (or decrease) in velocity as the radius is reduced (or increased)
symbol, Ω
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
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