protrusion

play
noun pro·tru·sion \prō-ˈtrü-zhən\

Definition of protrusion

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

  2. 2 :  something (such as an anatomical part or excrescence) that protrudes

Examples of protrusion in a Sentence

  1. bony protrusions on the outside of the elbow

  2. a roof with many protrusions

  3. The pain was caused by a protrusion of a disc in his lower back.

Recent Examples of protrusion from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'protrusion'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of protrusion

Latin protrudere


First Known Use: 1646

Synonym Discussion of protrusion

projection, protrusion, protuberance, bulge mean an extension beyond the normal line or surface. projection implies a jutting out especially at a sharp angle. those projections along the wall are safety hazards protrusion suggests a thrusting out so that the extension seems a deformity. the bizarre protrusions of a coral reef protuberance implies a growing or swelling out in rounded form. a skin disease marked by warty protuberances bulge suggests an expansion caused by internal pressure. bulges in the tile floor

PROTRUSION Defined for English Language Learners

protrusion

play
noun

Definition of protrusion for English Language Learners

  • : a part that sticks out

  • : the act of sticking out or the condition of something that sticks out


Medical Dictionary

protrusion

play
noun pro·tru·sion \prō-ˈtrü-zhən\

Medical Definition of protrusion

  1. 1:  the quality or state of protruding the protrusion of a jaw

  2. 2:  something (as an anatomical part) that protrudes



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