1. The act of extruding.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• expresion,
• extesion,
• excrusion,
• extracion,
• extnesion,
• extersion,
• externsion,
• extrution,
• extrension,
• extrotion,
• extusion,
• extrousion,
• extansion,
• extnsion,
• extinsion,
• extrustion,
• extration,
• exprssion,
• extrosion,
• extsion

• extension,
• extrinsic,
• Extraversion,
• extrusive,
• extroversion,
• extrication,
• extrude,
• expression,
• excursion,
• extradition,
• extraction.

The adjective form of the word "extrusion" is "extrusive".

The plural of the "extrusion" can be the "extrusions".

The singular of the "extrusion" can be the "extrusion".