mascon

mascon

[mas-kon]
noun Geology.
a massive concentration of high-density material beneath the surface of the moon.

Origin:
1965–70; mas(s) + con(centration)

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Collins
World English Dictionary
mascon (ˈmæskɒn)
 
n
any of several lunar regions of high gravity
 
[C20: from mas(s) + con(centration)]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica
Encyclopedia

mascon

a region of excess gravitational attraction on the surface of the Moon. The word is a contraction of mass concentration

Learn more about mascon with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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