something that protrudes the state or condition of being protruded the act or process of protruding
WordReference Random House Learner's Dictionary of American English © 2026
pro•tru•sion /proʊˈtruʒən, prə-/USA pronunciation
n. [countable] something that sticks out.
WordReference Random House Unabridged Dictionary of American English © 2026- [uncountable] the condition of sticking out.
pro•tru•sion
(prō tro̅o̅′zhən, prə-),USA pronunciation n.
- the act of protruding or the state of being protruded.
- something that protrudes or projects.
- Latin prōtrūs(us) (past participle of prōtrūdere to protrude) + -ion
- 1640–50
- 2.See corresponding entry in Unabridged jut, projection, bulge, protuberance.
Collins Concise English Dictionary © HarperCollins Publishers::
'protrusion' also found in these entries (note: many are not synonyms or translations):
bubonocele
- chin cactus
- eventration
- exophthalmos
- hernia
- herniated disk
- hiatus hernia
- keratoconus
- knuckle
- lingual protrusion lisp
- lisp
- meningocele
- occipital condyle
- phagocytosis
- pigeon breast
- plug
- pout
- projection
- protraction
- protuberance
- pseudopod
- rectocele