extrusion vs outflow

extrusion

noun
  • An item formed by the process of extrusion. 

  • A manufacturing process where a billet of material is pushed and/or drawn through a die to create a shaped rod, rail or pipe. 

outflow

noun
  • The part of a system that allows material to flow out. 

  • Any outward movement. 

  • Something that flows out of a sewage treatment plant. 

  • The process of flowing out. 

  • A fluid that flows out. 

  • A stream of gaseous material emanating from an active galactic nucleus. 

verb
  • To flow outward. 

How often have the words extrusion and outflow occurred in a corpus of books? (source: Google Ngram Viewer )