8 letters · 11 points in Scrabble
noun a white solid mineral that occurs naturally as periclase; a source of magnesium
originFrom Middle English magnesia, from Late Latin magnesia, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía), a name of several cities (in Thessaly, Lydia, and Asia Minor). Doublet of Magnesia, magnesium, and manganese, and related to magnet.
Etymology from Wiktionary, CC BY-SA 3.0