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protrusion

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noun pro·tru·sion \prō-ˈtrü-zhən\

Simple Definition of protrusion

  • : a part that sticks out

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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of protrusion

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

  2. 2 :  something (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.



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>.

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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