1. the process of forcing or pushing something out through an opening
2. a shape or object formed by forcing material through a die or opening
Usage: manufacturing; technical
3. rock or lava that has been forced out from beneath the earth’s surface
Usage: geology

Examples

• The extrusion of plastic through the machine created long tubes.
• Aluminum extrusions are commonly used in window frames.
• The volcanic extrusion formed a new island in the ocean.
• The extrusion process allows manufacturers to create complex shapes.
• Scientists studied the extrusion of magma from the volcano.
• The factory specializes in metal extrusions for construction.
• Pasta is made through the extrusion of dough through shaped dies.