magnesiaEnglish → SpanishOxford English–Spanishmagnesia /AmE mæɡˈniʒə, mæɡˈniʃə, mæɡˈnisiə, mæɡˈniziə , BrE maɡˈniːzɪə, maɡˈniːʒə, maɡˈniːʃə, maɡˈniːsɪə/ noun [uncountable]: magnesia f