Standard Lemma guide

protrusion

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /pɹəˈtɹuːʒən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -uːʒən

1

noun

Meaning 1

The act of protruding.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The state of being protruded.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Examples

  • A reduction in growth was accompanied by protrusion of the calyx.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Anything that protrudes.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: protuberance

Antonyms: none provided

4

noun

Meaning 4

the act of projecting out from something

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: projection, jut, jutting

Antonyms: none provided

Broader terms: change of shape

5

noun

Meaning 5

something that bulges out or is protuberant or projects from its surroundings

Definition source: Princeton WordNet 3.0

Examples

  • the gun in his pocket made an obvious bulge
  • the hump of a camel
  • he stood on the rocky prominence
  • the occipital protuberance was well developed
  • the bony excrescence between its horns

Meaning relationships

Synonyms: bulge, bump, hump, swelling, gibbosity, gibbousness, jut, prominence, protuberance, extrusion, excrescence

Antonyms: none provided

Broader terms: projection

Narrower terms: frontal eminence, occipital protuberance, belly, caput, mogul, nub, nubble, snag, wart

History

Etymology

From French protrusion.

Across languages

Translations

61 source translations are retained for this English entry.

  • Armenian: արտամղում (artamġum) — the act of protruding
  • Bulgarian: стърчене (stǎrčene) — the act of protruding
  • German: Herausragen — the act of protruding
  • German: Heraustreten — the act of protruding
  • German: Vorstehen — the act of protruding
  • Hungarian: kidudorodás — the act of protruding
  • Hungarian: kidülledés — the act of protruding
  • Hungarian: kinyúlás — the act of protruding
  • Hungarian: kiemelkedés — the act of protruding
  • Hungarian: kitüremkedés — the act of protruding
  • Hungarian: kiszögellés — the act of protruding
  • Hungarian: előboltosulás — the act of protruding
  • Russian: выпира́ние (vypiránije) — the act of protruding
  • Russian: выпя́чивание (vypjáčivanije) — the act of protruding
  • German: Ausbeulen — the state of being protruded
  • German: Vorstülpen — the state of being protruded
  • German: Hervortreiben — the state of being protruded
  • German: Beulen — the state of being protruded
  • German: Ausbuchten — the state of being protruded
  • German: Treiben — the state of being protruded
  • German: Heraustreiben — the state of being protruded
  • Hungarian: kiemelkedés — the state of being protruded
  • Hungarian: kiszögellés — the state of being protruded
  • Hungarian: kidudorodás — the state of being protruded
  • Hungarian: kinyúlás — the state of being protruded
  • Hungarian: kidülledés — the state of being protruded
  • Hungarian: kitüremkedés — the state of being protruded
  • Hungarian: előreugrás — the state of being protruded
  • Hungarian: kiugrás — the state of being protruded
  • Hungarian: kiállás — the state of being protruded
  • Hungarian: kitolulás — the state of being protruded
  • Hungarian: kitüremlés — the state of being protruded
  • Hungarian: előboltosulás — the state of being protruded
  • Hungarian: duzzanat — the state of being protruded
  • Slovak: vyčnievanie — the state of being protruded
  • Arabic: نَاتِئَة (nātiʔa) — anything that protrudes
  • Bulgarian: издаденост (izdadenost) — anything that protrudes
  • Bulgarian: изпъкналост (izpǎknalost) — anything that protrudes
  • Finnish: kohouma — anything that protrudes
  • Finnish: nysty — anything that protrudes
  • Finnish: nystyrä — anything that protrudes
  • Finnish: patti — anything that protrudes
  • Finnish: kumpu — anything that protrudes
  • Finnish: nyppylä — anything that protrudes
  • French: protubérance — anything that protrudes
  • German: Vorsprung — anything that protrudes
  • German: Schwellung — anything that protrudes
  • German: Ausbuchung — anything that protrudes
  • German: Vorwölbung — anything that protrudes
  • German: Überstand — anything that protrudes
  • German: Vorstülpung — anything that protrudes
  • German: Hervortreibung — anything that protrudes
  • German: Beule — anything that protrudes
  • German: Knubbel — anything that protrudes
  • Hungarian: kiugró/kiálló rész — anything that protrudes
  • Hungarian: nyúlvány — anything that protrudes
  • Hungarian: dudor — anything that protrudes
  • Irish: starr — anything that protrudes
  • Russian: вы́ступ (výstup) — anything that protrudes
  • Slovak: výčnelok — anything that protrudes
  • Ukrainian: ви́ступ (výstup) — anything that protrudes