noun
: an insoluble monoxide MnO of manganese found in nature as manganosite and obtained as a green easily oxidizable powder by heating other oxides of manganese in a current of hydrogen — called also manganese(II) oxide
noun
: an insoluble monoxide MnO of manganese found in nature as manganosite and obtained as a green easily oxidizable powder by heating other oxides of manganese in a current of hydrogen — called also manganese(II) oxide
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012