the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > oxalates (3)
salt of sorrel, binoxalate of potash.
Old Chemistry. Particular substances of this class are distinguished by defining words (cf. sal, n.1); e.g. †salt ammoniac (= sal ammoniac, n.), †esse…
The ion O3 −; a salt containing this ion.