Protuberance (disambiguation)
Protuberance (in late Latin protuberare "to swell") stands for
- a flow of matter at the edge of the sun, see protuberance
- a bulging thickening or bump-like protrusion on bone
- a large increase in the skull plates in chickens in poultry farming
- a slight bulge on special milling devices for gear manufacturing, the effect of which facilitates subsequent scraping or grinding work on the tooth base