EXTRUSION

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does extrusion mean? 

• EXTRUSION (noun)
  The noun EXTRUSION has 2 senses:

1. something that bulges out or is protuberant or projects from its surroundings

2. squeezing out by applying pressure

  Familiarity information: EXTRUSION used as a noun is rare.

 Dictionary entry details 

• EXTRUSION (noun)

Sense 1

Meaning:

Something that bulges out or is protuberant or projects from its surroundings

Classified under:

Nouns denoting two and three dimensional shapes

Synonyms:

bulge; bump; excrescence; extrusion; gibbosity; gibbousness; hump; jut; prominence; protrusion; protuberance; swelling

Context example:

the bony excrescence between its horns

Hypernyms ("extrusion" is a kind of...):

projection (any solid convex shape that juts out from something)

Hyponyms (each of the following is a kind of "extrusion"):

frontal eminence (either prominence of the frontal bone above each orbit)

occipital protuberance (prominence on the outer surface of the occipital bone)

belly (a part that bulges deeply)

caput (a headlike protuberance on an organ or structure)

mogul (a bump on a ski slope)

nub; nubble (a small lump or protuberance)

snag (a sharp protuberance)

wart (any small rounded protuberance (as on certain plants or animals))

Sense 2

Meaning:

Squeezing out by applying pressure

Classified under:

Nouns denoting acts or actions

Synonyms:

expulsion; extrusion

Context example:

the expulsion of pus from the pimple

Hypernyms ("extrusion" is a kind of...):

squeeze; squeezing (the act of gripping and pressing firmly)

Derivation:

extrude (form or shape by forcing through an opening)

 Context examples 

MDR is primarily due to increased drug extrusion from the resistant cell.

(Multidrug Resistance Gene, NCI Thesaurus)