noun
: a compound MnO(OH) occurring in nature as manganite and obtained synthetically as a brown powder by precipitation and drying; manganese oxide and hydroxide
noun
: a compound MnO(OH) occurring in nature as manganite and obtained synthetically as a brown powder by precipitation and drying; manganese oxide and hydroxide
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012