Mal"le*a*ble (?), a. [F.
malléable, fr. LL. malleare to hammer. See
Malleate.] Capable of being extended or shaped by beating
with a hammer, or by the pressure of rollers; -- applied to
metals.
Malleable iron, iron that is capable of
extension or of being shaped under the hammer; decarbonized cast
iron. See under Iron. -- Malleable iron
castings, articles cast from pig iron and made
malleable by heating then for several days in the presence of some
substance, as hematite, which deprives the cast iron of some of its
carbon.