noun Geology.

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

Origin of mascon

First recorded in 1965–70; mas(s) + con(centration) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mascon

Historical Examples of mascon

  • Here she was met by a priest, "Dr. John of Mascon, a very wise man," who looked at her in pity and in wonder.

    Joan of Arc

    Laura E. Richards

British Dictionary definitions for mascon



any of several lunar regions of high gravity

Word Origin for mascon

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