An arsenic compound or a mixture of arsenic compounds resulting from the smelting of iron, cobalt, nickel, and copper ores.
ETYMOLOGY:
German Speise, food, speiss, from Middle High German spse, food, from Old High German spsa, probably from Medieval Latin spnsa, storehouse, or spsa, provisions, both from Latin expnsa (pecnia), (money) paid out. See expense.
sp
s
nsa, storehouse, or sp
nia), (money) paid out. See expense.
