Home › Words › E › exostosisexostosisexostosis · noun — A benign, bony growth, often covered with cartilage, on the surface of a bone or tooth.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom Koine Greek ἐξόστωσις (exóstōsis, “a diseased excrescence on the bone”), from Ancient Greek ὀστέον (ostéon, “bone”).nounA benign, bony growth, often covered with cartilage, on the surface of a bone or tooth.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.exostectomy 69% match — excision of an exostosis vs exostosis →ectostosis 68% match — A process of bone formation in which ossification takes place in the perichondrium and either surrounds or gradually replaces the cartilage. vs exostosis →exostosectomy 64% match — Synonym of exostectomy. vs exostosis →endostosis 60% match — A process of bone formation in which ossification takes place within the substance of the cartilage. vs exostosis →enostosis 60% match — A small area of compact bone within the cancellous bone. vs exostosis →ecchondrosis 60% match — A cartilaginous outgrowth. vs exostosis →ectosteal 59% match — Of or pertaining to ectostosis. vs exostosis →exophytic 59% match — In pathology, pertaining to growth of a tumor outward. vs exostosis →