noun
also barium dioxide
: a compound BaO 2 obtained as a grayish white toxic powder by heating barium monoxide in air or oxygen and used chiefly in making hydrogen peroxide and in pyrotechnics
noun
also barium dioxide
: a compound BaO 2 obtained as a grayish white toxic powder by heating barium monoxide in air or oxygen and used chiefly in making hydrogen peroxide and in pyrotechnics
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012