Extrude/ɪkˈstruːd/ Definition 1 of 3Pro Tip 1/3Industrial Action Used in industrial or manufacturing contexts to describe the production process. The machine will extrude the plastic into tubes. Pro Tip 2/3Mechanical Image Creates a visual of something being pushed out with force or under pressure. You can see the toothpaste extrude from the tube. Pro Tip 3/3Physical Change Implies a physical transformation of material from one form to another. The factory equipment extrudes wheat dough into pasta shapes.