Library / English Dictionary

EXTRUSION

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Squeezing out by applying pressure

Example:

the expulsion of pus from the pimple

Synonyms:

expulsion; extrusion

Classified under:

Nouns denoting acts or actions

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)

Sense 2

Meaning:

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

Example:

the bony excrescence between its horns

Synonyms:

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

Classified under:

Nouns denoting two and three dimensional shapes

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))

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