The Collaborative International Dictionary
Ferretto
Ferretto \Fer*ret"to\, n. [It. ferretto di Spagna, dim. of ferro
iron, fr. L. ferrum.]
Copper sulphide, used to color glass.
--Hebert.
Wiktionary
ferretto
n. copper sulphide, used to colour glass
Usage examples of "ferretto".
Owen, Collyer, Calvert, Capellini, Broca, Ferretti, Bellucci, Slopes, Moir, Fisher, and Keith.
Capellini, Broca, Ferretti, Bellucci, Slopes, Moir, Fisher, and Keith.