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Definitions

protrusion

[proh-troo-zhuhn, pruh-] / proʊˈtru ʒən, prə- /
NOUN
bulge
Synonyms
Antonyms


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

Beside the image, Dr. Gazzaley pulled up the brain of another twenty-six-year-old—a random image taken from the lab—and there was no such protrusion.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel