noun
: a relatively insoluble crystalline complex acid salt KHC 2 O 4 .H 2 C 2 O 4 .2H 2 O used chiefly in removing rust marks and as a reference standard in analyzing bases and permanganates
noun
: a relatively insoluble crystalline complex acid salt KHC 2 O 4 .H 2 C 2 O 4 .2H 2 O used chiefly in removing rust marks and as a reference standard in analyzing bases and permanganates
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012