Similar Words to Extrusion:
Bulge
Bump
Excrescence
Expulsion
Gibbosity
Gibbousness
Hump
Jut
Prominence
Protrusion
Protuberance
Swelling
Definitions of Extrusion:
1. Something that bulges out or is protuberant or projects from its surroundings
2. Squeezing out by applying pressure