First Known Use: 1646
Dictionary
protrusion
noun pro·tru·sion \prō-ˈtrü-zhən\
: a part that sticks out
: the act of sticking out or the condition of something that sticks out
Full Definition of PROTRUSION
1
: the act of protruding : the state of being protruded
2
: something (as an anatomical part or excrescence) that protrudes
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Origin of PROTRUSION
Latin protrudere
Related to PROTRUSION
- Synonyms
- bunch, convexity, jut, overhang, projection, bulge, protuberance, swell
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>.
Rhymes with PROTRUSION
affusion, allusion, Carthusian, collusion, conclusion, confusion, contusion, delusion, diffusion, effusion, elusion, exclusion, extrusion, illusion, inclusion, infusion, intrusion, Malthusian, obtrusion, occlusion, perfusion, prelusion, profusion, prolusion, reclusion, seclusion, transfusion, Venusian
Medical Dictionary
protrusion
noun pro·tru·sion \prō-ˈtrü-zhən\
Medical Definition of PROTRUSION
1
: the quality or state of protruding <the protrusion of a jaw>
2
: something (as an anatomical part) that protrudes
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