ex·trude /ɪkˈstruːd/ verb [transitiveT] 1. PUSH formal to push or force something out through a hole 挤出 2. technicalTI to force plastic or metal through a hole so that it has a particular shape 将〔塑料、金属〕挤压成形 —extrusion /ɪkˈstruːʒən/ noun [countableC, uncountableU]