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mascon

American  
[mas-kon] / ˈmæsˌkɒn /

noun

Geology.

  1. a massive concentration of high-density material beneath the surface of the moon.

mascon British  
/ ˈmæskɒn /

noun

  1. any of several lunar regions of high gravity

"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

Etymology

Origin of mascon

First recorded in 1965–70; mas(s) + con(centration)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Of course, Melosh, who’s been researching mascon origins since the 1970s, didn’t work alone.

From Time • May 31, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.