exostosis
/ˌɛksɒˈstoʊsɪs/
noun
- A benign bony growth that projects outward from the surface of a bone.
- Surfers sometimes develop an exostosis in the ear canal from repeated exposure to cold water.
- The doctor explained that the bump on his ankle was an exostosis, not a tumor.
- An exostosis can cause pain if it presses against nearby nerves or tissues.
Synonyms