Of metal. That may be hammered out thin; malleable; flexible, pliable, not brittle. Still frequent in literary use: for technical use, see 1b.

Of things: Tractable; yielding to treatment, as a disease; flexible or ductile, as a metal. Obsolete except in Medicine.

= ductile, adj.

Of metals: That may be hammered or beaten out, malleable.

Able to be drawn out; = ductile, adj. 1.

Exceptionally or unusually plastic; spec. (of a metal) capable of extreme plastic extension under load; (also) relating to, involving, or…