protrusion

[proh-troo-zhuhn, pruh-]

noun

1. the act of protruding or the state of being protruded.

2. something that protrudes or projects.

   Synonyms: protuberance, bulge, projection, jut

protrusion

/ prəˈtruːʒən /

noun

1. something that protrudes

2. the state or condition of being protruded

3. the act or process of protruding

Other Word Forms

• nonprotrusion noun

Word History and Origins

Origin of protrusion¹

1640–50; < Latin prōtrūs ( us ) (past participle of prōtrūdere to protrude ) + -ion

Example Sentences

If an oarfish happens to swim up to the ocean’s surface, a sailor would see a long slithering creature with spiky protrusions on its head and could believe it was a sea monster, Paig-Tran said.

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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.

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The detachment of the protrusion from the cell membrane results in the formation of a vacuole within the neighboring cell.

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Cut off just above the ankle all the way to mid-thigh, the omission isn’t found in the classical Greek original or its many Roman copies, where the leg is a prominent protrusion.

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The region under study is the Brunt Ice Shelf, which is the floating protrusion of glaciers that have flowed off the continent into the Weddell Sea.

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