noun
: a poisonous crystalline salt Na 2 C 2 O 4 made by heating sodium formate and used chiefly as a source of oxalic acid and as a reagent in chemical analysis
noun
: a poisonous crystalline salt Na 2 C 2 O 4 made by heating sodium formate and used chiefly as a source of oxalic acid and as a reagent in chemical analysis
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012