noun — 4 senses
Etymology Blend of mass + concentration in 1960s by scientists Paul Muller and William Sjogren.
A region within a solid astronomical body that is of higher density than the surrounding material.
A lunar mare that has a greater density of rock than the surrounding area.
Astronomy, Natural sciences mass concentration
Etymology 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”).
Obsolete Synonym of Macon.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for mascon and Mascon.