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M_____
Definitions
A region within a solid astronomical body that is of higher density than the surrounding material.
Word origin
Borrowed from French Mascon, from Medieval Latin Masconis, a syncopated form of Madasconis and Matisco, probably from Gaulish matus (“bear”) (from Proto-Celtic *matus, commonly understood as a euphemistic derivation from *matis (“good”)) and a suffix equivalent to -iscus (“-ish: forming adjectives”).
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
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