extrusion.

1. A manufacturing process in which material is forced through a shaped opening to produce a continuous profile.

2. An object or length of material made by forcing material through a shaped opening.

3. The forcing of material out through an opening or beyond its usual boundary.

Use it for

Words that belong together

• aluminum extrusion
• polymer extrusion
• an extrusion die

On the page

The extrusion line produced a continuous strip that cooled under a fine water spray.

A flaw in the die marked every length of the aluminum extrusion.

Usage notes

Primary category: sci-fi. Forms: Uncountable for a process; singular extrusion and plural extrusions for objects or separate outward displacements. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.