protrusion

pro·tru·sion

noun \prō-ˈtrü-zhən\

Definition of PROTRUSION

1

: the act of protruding : the state of being protruded

2

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

Examples of PROTRUSION

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 of PROTRUSION

Latin protrudere

First Known Use: 1646

Related to PROTRUSION

Synonyms: bunch, convexity, jut, overhang, projection, bulge, protuberance, swell

Antonyms: cavity, concave, concavity, dent, depression, dint, hollow, indent, indentation, indenture, pit, recess

Related Words: dome; blob, bump, dilatation, gibbosity, hump, knob, knot, knurl, lump, nub, obtrusion, puff, snag, swelling; block, piece, portion, section; enlargement, escalation, expansion, increase; hill, mound

Near Antonyms: crater, hole, well; basin, bowl, dip, valley; furrow, groove, trench, trough; dimple, gouge, impression, notch, pocket

[+]more[-]hide

See Synonym Discussion at projection

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