protuberance C2+ Topic:Abstract Ideas US /proʊˈt(j)ubərəns/ UK /prəˈtjuːbərəns/ See IPA manual Meanings 1 noun a rounded part that sticks out from a surface A small protuberance on the bone marked the old fracture. Thesaurus Synonyms 1 noun · a rounded part that sticks... bulgeprotrusionswellingprominencebumpknoblumpoutgrowth ↔ Opposites depressionhollowindentationcavity Word family Related forms protuberantprotuberatetuber Etymology AI details From Late Latin protuberantia, from protuberare ('to swell out'), from Latin pro- ('forth') + tuber ('lump, swelling'). protuberantia Latin tuber Latin View etymology graph -> Topics Abstract Ideas External links Cambridge Dictionary Wiktionary Google Images # protuberance **Type:** Word **Level:** C2+ **Part of speech:** noun **IPA (US):** /proʊˈt(j)ubərəns/ **IPA (UK):** /prəˈtjuːbərəns/ ## Meanings 1. a rounded part that sticks out from a surface ## Examples - A small protuberance on the bone marked the old fracture. ## Synonyms - bulge - protrusion - swelling - prominence - bump - knob - lump - outgrowth ## Antonyms - depression - hollow - indentation - cavity ## Related Forms - protuberant - protuberate - tuber ## Roots and Affixes - Root: protuberantia - Root: tuber ## Etymology From Late Latin protuberantia, from protuberare ('to swell out'), from Latin pro- ('forth') + tuber ('lump, swelling'). ## AI Etymology Protuberance comes from Late Latin protuberantia, from protuberare ('to swell out'), from Latin pro- ('forth') + tuber ('lump, swelling'). The form is best read as a historical transfer or inheritance, with its older language material carrying the main semantic load. As a noun, it denotes "a rounded part that sticks out from a surface", keeping the historical idea close to its dictionary sense. Relevant historical forms include Latin protuberantia and Latin tuber. Related words include protuberant, protuberate, tuber. ## Topics - Abstract Ideas markdown