protrusion
Americannoun
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the act of protruding or the state of being protruded.
-
something that protrudes or projects.
- Synonyms:
- protuberance, bulge, projection, jut
noun
-
something that protrudes
-
the state or condition of being protruded
-
the act or process of protruding
Other Word Forms
- nonprotrusion noun
Etymology
Origin of protrusion
1640–50; < Latin prōtrūs ( us ) (past participle of prōtrūdere to protrude ) + -ion
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This creates a highly efficient system that supports cell protrusion, adhesion and rapid shape changes.
From Science Daily • Apr. 1, 2026
The surgery is to repair an inguinal hernia -- a protrusion in the groin area due to a tear in the abdominal muscles.
From Barron's • Dec. 25, 2025
I watched an older woman grow overcome by the proclamation that a protrusion in her abdomen was being burned out of her body.
From Slate • Sep. 25, 2024
It causes a sac-like protrusion of brain tissue coming out of an opening in the skull and impacts about 1 in 10,000 babies born in the U.S.
From Salon • Jun. 7, 2024
At the end of it, a fingerlike protrusion wiggles and grasps.
From "Water for Elephants" by Sara Gruen
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
