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... bulge protrusion swelling prominence bump knob lump outgrowth

Opposites

depression hollow indentation cavity

Word family

Related forms protuberant protuberate tuber

Etymology

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

# 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

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