Definition of magnesium trisilicate in English:

magnesium trisilicate

noun

Chemistry
  • An insoluble white solid, 2MgO·3SiO₂, which occurs naturally as the mineral meerschaum or sepiolite, and is used as an antacid, an adsorbent, and as a glaze or anti-caking agent in food.

Origin

1930s; earliest use found in The British Medical Journal.