retrusion: meaning, definition, pronunciation and examples

Very Rare / Technical
UK/rɪˈtruːʒ(ə)n/US/rɪˈtruːʒən/

Formal, Technical, Specialized

My Flashcards

Quick answer

What does “retrusion” mean?

The act or process of moving something backward, or the state of being situated or pushed back.

Audio

Pronunciation

Definition

Meaning and Definition

The act or process of moving something backward, or the state of being situated or pushed back.

In dentistry, it specifically refers to the backward positioning or movement of teeth or the jaw. In phonetics, it refers to the articulation of a sound further back in the mouth.

Dialectal Variation

British vs American Usage

Differences

No significant lexical or meaning differences. It is equally specialized in both varieties.

Connotations

Purely technical/clinical in both.

Frequency

Extremely low frequency in general language; used only within its technical domains in both regions.

Grammar

How to Use “retrusion” in a Sentence

retrusion of [BODY PART]retrusion caused by [AGENT]to correct/treat the retrusion

Vocabulary

Collocations

strong
mandibular retrusionmaxillary retrusiontongue retrusion
medium
caused retrusionsignificant retrusionretrusion of the teeth
weak
chronic retrusionmeasure the retrusioncorrect the retrusion

Examples

Examples of “retrusion” in a Sentence

verb

British English

  • The orthodontist aims to retrude the prominent incisors over the next six months.
  • In the phonetic study, participants were asked to retrude their tongue for the velar sound.

American English

  • The surgical plan called for retruding the mandible to correct the malocclusion.
  • The sound /ʃ/ requires the tongue blade to be slightly retruded compared to /s/.

adverb

British English

  • The tooth had moved retrusively relative to the arch.
  • The jaw was positioned retrusively at rest.

American English

  • The segment was placed retrusively during the surgical simulation.
  • The tongue articulates more retrusively for velar stops than for alveolars.

adjective

British English

  • The patient presented with a retrusive mandibular profile.
  • A retrusive lip posture can be a sign of the condition.

American English

  • The cephalometric analysis confirmed the retrusive maxilla.
  • Retrusive dental arches often require expansion as well as advancement.

Usage

Meaning in Context

Business

Not used.

Academic

Used in medical, dental, and linguistic journals to describe anatomical positioning or articulatory phonetics.

Everyday

Virtually never used.

Technical

Primary context. Used in treatment plans, diagnoses, and research in orthodontics, maxillofacial surgery, and speech therapy.

Vocabulary

Synonyms of “retrusion”

Strong

retraction (in some contexts)posterior positioning

Neutral

backward movementposterior displacement

Weak

setbackrecession (in specific anatomical contexts)

Vocabulary

Antonyms of “retrusion”

Watch out

Common Mistakes When Using “retrusion”

  • Misspelling as 'retrution' or 'retrucion'.
  • Using it as a verb (the verb is 'to retrude').
  • Confusing it with 'intrusion' or 'extrusion'.
  • Attempting to use it in non-technical conversation.

FAQ

Frequently Asked Questions

No, it is a highly specialized technical term used almost exclusively in fields like dentistry, orthodontics, and phonetics.

While both imply moving back, 'retrusion' typically refers to backward movement or positioning along a forward-backward axis, often of jaws or teeth. 'Retraction' is more general and can mean pulling back, withdrawing (e.g., a statement), or drawing in (e.g., retracting landing gear).

No, 'retrusion' is a noun. The corresponding verb is 'to retrude'.

Only if they work in a relevant medical, dental, or linguistic field. It is not part of general vocabulary.

The act or process of moving something backward, or the state of being situated or pushed back.

Retrusion is usually formal, technical, specialized in register.

Retrusion: in British English it is pronounced /rɪˈtruːʒ(ə)n/, and in American English it is pronounced /rɪˈtruːʒən/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None. It is not used idiomatically.

Learning

Memory Aids

Mnemonic

Think of a **TRUCK in REVerse** moving backwards—'RE-TRUSION' is the state of being pushed or pulled back.

Conceptual Metaphor

MOVING BACKWARDS IS A RETRUSION (used to conceptualize spatial rearrangement in technical fields).

Practice

Quiz

Fill in the gap
The orthognathic surgery was planned to correct the patient's severe mandibular .
Multiple Choice

In which field is the term 'retrusion' most commonly used?