(ˌsuːpəˈplæstɪk) adj (General Engineering) (of a metal, alloy, etc) very easily moulded at high temperatures without fracturingn (General Engineering) such a metal, alloy, etcˌsuperplasˈticityn
su•per•plas•tic
(ˌsu pərˈplæs tɪk)
adj. (of some metals and alloys) having the capacity to undergo extreme deformation at high temperatures. [1945–50] - su`per•plas•tic′i•ty (-ˈtɪs ɪ ti) n.