Magnesium

mag-nē′shi-um, or -si-um, n. a metal of a bright, silver-white colour, which while burning gives a dazzling white light, and forms magnesia.— n. Magnē′sia , a light white powder, got by burning magnesium, used as a medicine.— adj. Magnē′sian , belonging to, containing, or resembling magnesia.— n. Mag′nesite , native magnesium carbonate.