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mascon

[mas-kon] /ˈmæsˌkɒn/
noun, Geology
1.
a massive concentration of high-density material beneath the surface of the moon.
Origin
1965-1970
1965-70; mas(s) + con(centration)
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for mascon

mascon

/ˈmæskɒn/
noun
1.
any of several lunar regions of high gravity
Word Origin
C20: from mas(s) + con(centration)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for 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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